MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites and disposable hosting, suggesting it is part of a phishing or malware distribution scheme. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d5128db71d6---40136485984.pdf
- http://czdashan.cn/uploadfile/file/2021050909343773499.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160864e23ecd2f---18980468258.pdf
- https://fibaquitaine.fr/cebatrama/userfiles/files/31139416893.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/2gr7ghdpm7pagfjuc8ojblt5n2/ketogo.pdf
- http://www.77ice.com/upload/files/38361081293.pdf
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/91afcaa661be1769cafc62b80a948a5d/vasadagox.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/9100f4f982c2efa2e376499b4fbda1c3/92288780588.pdf
- http://hitecds.com/userfiles/file/90330307957.pdf
- https://personnelcle.com/userfiles/file/xaruxupivibobikebix.pdf
- http://www.anjhimayath.com/upload/file/60198243235.pdf
- http://vytvarnyobchod.cz/UserFiles/File/tawofofewesalux.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4be077bc74---6297815874.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609453ddc0de1---53744475789.pdf
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/3cdd06166b61b34b87d6ad4e286d8f76/88863851256.pdf
- http://jtour.vn/userfiles/file/51442574584.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a121d0d4509---84496805507.pdf
- https://mariellatriolo.it/public/file/94810229536.pdf
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/1a31a4bef7a95782825936e329c090a7/zefawudexoselejuzexi.pdf
- https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf14d2e54e---renadugudi.pdf
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/a85da9143330f290ff0eba98ebdac6d6/98470890632.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=download+form+16a+pdf+converter+utility
- 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_off0000b786.bin27c81bdfc48d3400bd5a09f68145bb183b64027489a11cf9767442f6ee96c2be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB786 | 11200 bytes |
font_01_sfnt_off0000d1da.bin233d9af753cbcfa46880fb0680eececd8e8a300d6be9896cb92f68a2027f120b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1DA | 16412 bytes |
font_02_sfnt_off0000fcb2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCB2 | 16792 bytes |
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