MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://ahs1968.com/clients/d/dc/dcea35c349c70fb55dca458fc6558ff6/File/buzodoxoxej.pdf In PDF document text
- http://kpotplace.com/uploads/files/1965393828.pdfIn PDF document text
- http://beastyenergy.com/userfiles/file/rezowoku.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f544f3b471d---rafesuzabab.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/f5b4a2e880c85e122aab0cd895054770/46450265707.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d6fe38499---69915557179.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608bcdb0eb7a8---41498705541.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d82796e35c---tonasoz.pdfIn PDF document text
- https://vico-real-estate.com/ckfinder/userfiles/files/42954579310.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608e0b3de8f77---59267825713.pdfIn PDF document text
- http://j-line.ca/fck_upload/file/52005387122.pdfIn PDF document text
- http://ji-tien.com/userfiles/file/nakusoxafisaxamox.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/0ba07e64934847e7a8e5ecfc7ffe262a/jufuputor.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/f30c028191833def2877548d5044eee1/bekoraxito.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16086abbae9bd2---81414089786.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cf76e913e01---domalo.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/2820967ee66cecf27fec574d7bed0274/wowaxazuvixew.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/rgf90uotc2n1dkcgtkuhl5jg64/bubinukipulesarovub.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/34f6311cd6b30eb56a867f4d645a8a36/89112243092.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfbeda7de40---tebevukijapafafuwogiz.pdfIn PDF document text
- http://kxqcgs.net/filespath/files/20210828034458.pdfIn PDF document text
- http://zoo-foto.cz/userfiles/file/zinure.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/nesaxepu.pdfIn PDF document text
- https://cmfnepal.org/userfiles/files/81367848969.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=cv+model+pdfPDF 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_off0000dbef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBEF | 10032 bytes |
SHA-256: 4629676a00fb3a78e41fb49df298b54126fe75858d1c4068c430b6dd676f024b |
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font_01_sfnt_off0000f23b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF23B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A4D | 16896 bytes |
SHA-256: 3d8ce35503e429bef91aae8166d3b7fdb24962d49cec1d1092c0e81939ff7596 |
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