MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a link farm pointing to numerous URLs, many hosted on compromised WordPress sites or disposable domains, suggesting an attempt to redirect users to malicious content. The presence of a URL with 'utm_term=adobe+acrobat+convert+pdf+to+word+free' indicates a lure to trick users into downloading a malicious file disguised as a PDF converter.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://at2apigroup3.com/contents//files/63950646466.pdf In PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/997d4acba60e35ed07f555fa151a82c9/mopazanuguzikewevab.pdfIn PDF document text
- http://status.cz/UserFiles/File/dukezefovozobokedozugiwo.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/4502edf8a47f8185ad94458b1a082322/kazuguvulubajivetaja.pdfIn PDF document text
- http://teormech.ru/teormech/usrimg/file/43571444852.pdfIn PDF document text
- http://kibbkw.com/uploads/file/74544665017.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/aa58182b05ced5b80bfd2e2aed8ebf27/lizepekifefefajum.pdfIn PDF document text
- https://wkd-uk.com/wp-content/plugins/super-forms/uploads/php/files/af7f811afab9d2eb2aa004a36e8f69a5/13127686704.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c12508ad5be---pedujulevud.pdfIn PDF document text
- http://brukbet.com/user_images/file/palanomukapuxorifuba.pdfIn PDF document text
- http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/visuwumivafonis.pdfIn PDF document text
- https://tectrongim.com/uploads/files/77657746135.pdfIn PDF document text
- https://cafesca.info/ckfinder/userfiles/files/99468569545.pdfIn PDF document text
- http://kythuatviet.vn/uploads/userfiles/file/55461796045.pdfIn PDF document text
- http://kondicionery-domodedovo.ru/upload_picture/file/pevijekolipafetim.pdfIn PDF document text
- http://huspanda.com/data/ckfinder/files/vimufiwifirip.pdfIn PDF document text
- http://asude.istanbul/ck_images/files/82509998437.pdfIn PDF document text
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/716fbc8fc579aba32bd5d5a84153f84f/jafubunuxoxesuvo.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613337145dcae---44433440016.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=adobe+acrobat+convert+pdf+to+word+freePDF 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_off0000c676.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC676 | 10580 bytes |
SHA-256: a2c78839d3cce5acb89a6f8c5f6ff48452824711f65002b207bce6017ad55f8a |
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font_01_sfnt_off0000de95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE95 | 17524 bytes |
SHA-256: 8281e9c4cc93e4ee0bfb9428a2243017fe565f7d3ae72b602212039f113b3f7e |
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font_02_sfnt_off00010c3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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