MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file that exhibits characteristics of a phishing lure, as indicated by the 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' heuristics. It contains numerous links pointing to compromised CMS upload storage, suggesting an attempt to host malicious content. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic further supports the phishing pretext. While no scripts were directly extracted, the overall structure and URL findings point towards a malicious document designed to trick users into downloading further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/9crr4t6saodvgpf3j8nfj2rs0t/38103266544.pdf In PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/uucdrrf7hhnn5jljss2c060c2v/tugoge.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/4tl7q2cp6o9dqfp8feresl16s6/97775502459.pdfIn PDF document text
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f028894d5be---negozitopulobuleroz.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/dbddd3aa3df473151d2058a14679bdf6/54995597230.pdfIn PDF document text
- http://gasthaus-steinkirchen.de/img/editor/file/82662042868.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160bf56544f997---boliturovebaresagezeveku.pdfIn PDF document text
- http://scantech3d.com/files/sokewamapepefuv.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dd64c2f3e00---kepumitopoviwozam.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca26f07832---damot.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/71b32a77e96533427c88cb4430235108/kejeliwijipibaxux.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722361c3f92---14207048244.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc8eab3e9f---11290169304.pdfIn PDF document text
- https://genericdiabeticteststrips.com/userfiles/files/texapitogujefafafuwunumo.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160813fbd6518d---46230260116.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aafc8953a6---82618054710.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9862291a7d---57326453447.pdfIn PDF document text
- http://brezov-gaj.si/uporabnik/file/kofej.pdfIn PDF document text
- http://branpc.in/ckfinder/userfiles/files/42621738053.pdfIn PDF document text
- http://mientrungpetrohotel.com/users/files/32962730993.pdfIn PDF document text
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/fk2vtea7p13b323ctfbdudr02b/54396402079.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c96b6c79a4---waxagiwitorojufora.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/885u932gtlfjne59o1b65014r4/27790209787.pdfIn PDF document text
- http://hy-concrete.ru/d/files/90492778740.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=how+can+i+hack+pubg+mobile+gamePDF 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_off0000f337.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF337 | 17656 bytes |
SHA-256: 115244ed54b9a74c23eb5e8959396c9c6a3ae3c78ff710c25dc0b7200eaad362 |
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font_01_sfnt_off00012199.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12199 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000139b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139B0 | 10864 bytes |
SHA-256: a9b349fb6ff8a67a2d23d7ec1bbd9d8fc84b93b386222c13fc59f19a8f51e4d1 |
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