MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The primary attack pattern appears to be phishing or malware distribution through these redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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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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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.aamuhsv-madisonalumni.org/files/files/64672013889.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d812c692d---togisexijobuwil.pdf
- http://bertoniamministrazione.it/bertoni/public/file/40306757462.pdf
- http://cl-pub.com/files/files/tudetuvopajizogetok.pdf
- https://electrabicycles.pl/app/webroot/uploads/file/16216067038276.pdf
- http://hpmcfamilyreunion1968.com/clients/83891/File/zekek.pdf
- http://kimyasaldubeller.com/upload/ckfinder/files/rovejuwowakabukemetos.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/c41bc375a34f239415b3205ae40054eb/99467664274.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160786622d5502---mejijuto.pdf
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/qn9ccuqnbbdtljbmp92364ke9i/43846067888.pdf
- https://soyana.de/js/ckfinder/userfiles/files/92878516302.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c38fe33a0a---gulurugosilaf.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f56bd2567---donuzerowulul.pdf
- https://edu-mate.kr/_UploadFile/Images/file/78421011048.pdf
- http://banghetretruc.com/media/ftp/file/31769982769.pdf
- https://daiichitravel.com/uploads/news_file/mufedokadulijenakivifiku.pdf
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cee169fe1d---62539158504.pdf
- http://baugeraeteverleih.de/benutzerdateien/kodafamuro.pdf
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160988cd628161---48236932653.pdf
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/207d880a5b11eaa0b1ef8030ff4a4d6d/20776663733.pdf
- https://readandenjoy.ae/userfiles/files/fepevinejalafovovoz.pdf
- http://anma.pl/anma_edytor/file/difulatikim.pdf
- https://euroroma-bg.org/files/file/zavajuxifadoraforum.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=pdf+of+english+sample+paper+class+10
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010a6c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A6C | 16792 bytes |
font_01_sfnt_off0001227e.bineee299c93e563e45bafe1868967776698e60648ba993b7bf5d4d0e721658bcc6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1227E | 17300 bytes |
font_02_sfnt_off00014feb.bin315f9b4a27419c97983ed74149a8d327a83988677d28d0616ac2497863855cbc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14FEB | 11144 bytes |
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