MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple URIs pointing to external resources, some of which are hosted on compromised websites. The presence of a link farm and the ML classifier's high confidence score indicate a phishing or malware distribution attempt. The embedded JavaScript likely facilitates the download or execution of a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/77637139439.pdf In PDF document text
- http://aep-tc.com/cache/fck_files/file/52334532739.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/ok13cs58hecl3acbc83fvcstlc/65848845655.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/6858175042.pdfIn PDF document text
- http://firanywiktoria.pl/uploads/editor/file/titasibizowob.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/b5tan846skepu1fd7amv86pq1s/9256126464.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/d7685e915651173155a5dd6fab33a2a8/16027195459.pdfIn PDF document text
- http://wasserburg.pl/userfiles/file/titexawulo.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/58920891640.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/b45c04923b27663df7fb776dfc89d367/giginavevezebodisawo.pdfIn PDF document text
- http://dwhs79.com/clients/15834/File/1452964487.pdfIn PDF document text
- http://127.0.0.1/bantraicay/js/ckfinder/userfiles/files/pemizijaripeg.pdfPDF link annotation
- http://accessprecision.com/userfiles/file/95184669463.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd66321cb7---20904749223.pdfIn PDF document text
- http://szakkepzosiklos.hu/upload/file/35373759216.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607579637ebc8---21760864697.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/273074bd53edb969f846860693860001/gekavuwibofowonanigu.pdfIn PDF document text
- https://trade.inter-ural.ru/ckfinder/userfiles/files/80384192983.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b5dfd2cfe31---misovejofujuvafabepovil.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/e2cvp8bur8dn6l9d85ugnfigpe/18164370799.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cda9d763805---23225234457.pdfIn PDF document text
- http://kaitosushisb.com/uploads/files/10389201586.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/0fb792e71118f87ed344eb77ea730035/kugajujewigosifaro.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=pachelbel+canon+in+d+guitar+chordsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001192a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1192A | 18764 bytes |
SHA-256: cce4de14701f18dcd198d8c26f0eb9c6ab1b83f9cd735da2f9b52b1ff18f93b4 |
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font_01_sfnt_off00014a1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A1A | 16092 bytes |
SHA-256: 9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
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font_02_sfnt_off00015f60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F60 | 10892 bytes |
SHA-256: 0c99f788e96b90fedd3ee864ef7a42244398ce5a5dd3ba148cf761a0fea3ad5b |
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font_03_sfnt_off00017848.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17848 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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