MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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://baschin-heizung.com/meineBilderAlbertGrundschule/file/selefaxedijuwupawiji.pdf In PDF document text
- https://ceral.pl/ceral/pliki/file/jatesimomadedosigi.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/e9t92s68ukh6j48qg512tp5vlp/bonizaketalelerawarel.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/38850920168bebfe44679bb37b213783/35681647571.pdfIn PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3f96f26aa---jarawatenafub.pdfIn PDF document text
- http://www.lugashotel.com/data/editorfile/rejijonolasalarox.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/u8j4de95opkfuhaeq7nna2r9al/ximugirapupemot.pdfIn PDF document text
- http://bbfrontedelmare.com/userfiles/files/83343494475.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f066c483106---93902352152.pdfIn PDF document text
- https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/bovozawopesarimizezu.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de4e563a93f---62195299352.pdfIn PDF document text
- http://exima.kr/userData/board/file/73397289488.pdfIn PDF document text
- http://hak-al.com/resimler/files/xamerut.pdfIn PDF document text
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/714e9f5a6202d75c3b3fa30368f0323b/tuxojizufufaxujotus.pdfIn PDF document text
- https://elnativocoffee.com/silver/upload/files/46913751075.pdfIn PDF document text
- https://eqonetech.com/upload/userfiles/files/80926593329.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a35dbc644d---dedanopumu.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160786e83575b4---danepubepalufepijikopivu.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a41b46e5134---bawevudusazafup.pdfIn PDF document text
- http://szzxwx.com/Upload/Upload/file/2021617211291053.pdfIn PDF document text
- http://candientushinko.com/images/file/101476297.pdfIn PDF document text
- http://hydrem.ru/images/file/kepisaji.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/gezunuxagaxemipapote.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=remote+code+for+tcl+tvsPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e5de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5DE | 10392 bytes |
SHA-256: e8700fb8312da264e032e9b36fc0aca7db2a93682d2130756a2203ed4bf1a2ba |
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font_01_sfnt_off0000fd72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD72 | 16984 bytes |
SHA-256: e7977b7a5ba300455a0f6f584237f862d1ae49775347bc3626340fe29a03a000 |
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font_02_sfnt_off000129d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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