MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The primary attack pattern involves luring users to these external sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 https://queure.ru/uplcv?utm_term=lamb+shepherd%27s+pie+gordon+ramsay PDF link annotation
- http://hantechwelding.com/userfiles/file/2021090822085573499.pdfIn PDF document text
- http://englandmatchshirts.com/assets/file/vopidisivave.pdfIn PDF document text
- http://korea-seals.com/ckfinder/userfiles/files/66932008021.pdfIn PDF document text
- https://banderlogclub.ru/Files/file/vosibotunetiwikibe.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346ea4e1c2b---gafaxaf.pdfIn PDF document text
- http://mecaniquekd.ca/upload/file/kekavuxije.pdfIn PDF document text
- https://pianoinprimopianofestival.com/uploads/file/31907814888.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161309eea6e3ab---keworixemazujikepap.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/10f7c3fa95a632024bd0b539ff9a27c1/rifimamagatot.pdfIn PDF document text
- http://joinsocialbubble.com/cake/beta/userfiles/file/64226374776.pdfIn PDF document text
- https://egokituz.org/files/galeria/files/vilakurusorajozasuril.pdfIn PDF document text
- http://kangmeideyiliao.com/uploadfile/file///2021091112341577.pdfIn PDF document text
- http://jurabos.nl/include/editor/file/47527644820.pdfIn PDF document text
- http://cupta.org/userfiles/files/20210911175726.pdfIn PDF document text
- https://webmenuplus.com/images/file/giketusuzamavujapenidon.pdfIn PDF document text
- http://koutingchina.com/upload/files/kadejobebuxirebegedu.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/ritabudutabokimejigivobaf.pdfIn PDF document text
- https://fablab808.com/nbloom/fckuploads/file/19913830182.pdfIn PDF document text
- http://letresorellebio.it/userfiles/files/norirosorutumivudewa.pdfIn PDF document text
- http://hostingureitings.lv/uploads/userfiles/files/72595164043.pdfIn PDF document text
- http://khamtribacninh.com/images/files/89336305832.pdfIn PDF document text
- http://naturpix.ch/cmsimages/file/rakipisavimod.pdfIn PDF document text
- http://olgapolyakova.de/files/files/jixegonozurovumajazitoba.pdfIn PDF document text
- 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_off0000f127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF127 | 19940 bytes |
SHA-256: 681f16f1eac39cd602675e0cf0aae01f8f326208fb4f4f8308c925c2356211a1 |
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font_01_sfnt_off000124e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013cf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CF7 | 10940 bytes |
SHA-256: 19f062dd346c568c48bd915cbe28849b07330e89efaeab09b7d0bf43091a0bce |
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