MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous other PDFs hosted on compromised websites. This suggests a phishing or malware distribution campaign where the initial PDF serves as a lure to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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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.derbysignandgraphics.com/uploads/file/3909505412.pdf In PDF document text
- http://webinaris.biz/ckfinder/userfiles/publics/files/vawomajakedosutibaw.pdfIn PDF document text
- http://nobody-films.com/bpms/includes/fckeditor_uploads/userfiles/file/12963442752.pdfIn PDF document text
- http://grupposcorcia.it/userfiles/files/91700416307.pdfIn PDF document text
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/8ec84c5b11fea19f7ade3483692d147f/36165769856.pdfIn PDF document text
- https://juvelyrikoscentras.lt/Files/file/87964200537.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/lje0ev46egneesve7gjisaatn1/xovadaz.pdfIn PDF document text
- http://deltools.com/userfiles/file/tinul.pdfIn PDF document text
- https://ktmcollege.org/public_html/userfiles/file/derudunewig.pdfIn PDF document text
- https://hideab.se/tc/Mediagalleri/file/5925227629.pdfIn PDF document text
- https://feng-shuiworld.com/userfiles/file/87618151118.pdfIn PDF document text
- http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/69512133191.pdfIn PDF document text
- https://aslimitada.com/userfiles/file/mapise.pdfIn PDF document text
- http://universalgroupautos.com/files/others/85132640324.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16131445fdecf8---fajifidizibon.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/3c2126dc27c3200d21185ab406b9964b/zemofisebuxepusev.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/t1bi64fe5quhlm2brng758p0pu/14038353593.pdfIn PDF document text
- http://uelzecht.lu/userfiles/files/zewiduvidojiletuvesikawu.pdfIn PDF document text
- http://krzeptowski.pl/file/84003120029.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608268ab0ac6b---89624901090.pdfIn PDF document text
- https://olympicwroclaw.pl/zdjecia/fck/file/70401629914.pdfIn PDF document text
- https://termoformat.md/img/files/luwamisifot.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd73a390da---46831779972.pdfIn PDF document text
- http://kayapaliinsaat.net/file/66252067923.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=greater+than+less+than+symbols+worksheetsPDF 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_off0000d6b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eecb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEECB | 10752 bytes |
SHA-256: a844485fe60aa25c401170876c29230d79fb0991dcb9a71cbff5b948f1650871 |
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font_02_sfnt_off00010777.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10777 | 18308 bytes |
SHA-256: 6111214d545ad62837cc7bc99a5516c664b753fddfabe4cdb0eb560dfa8a836e |
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