MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document functions as a link farm, containing numerous URLs that point to compromised WordPress sites and other disposable hosting. These links likely lead to phishing pages or further malware downloads, serving as a distribution mechanism for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://crewmak.ru/uplcv?utm_term=frank+edward+my+god+has+lifted+me+mp3+download
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/ookq1bhooj3v3imrpbf7j28575/gubejukimudat.pdf
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/03a2b9a6ebea8899a639e0baf924cafd/78791915647.pdf
- https://ecotranslation.ca/upload/editor/file/vidazexixanijese.pdf
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607192ea23170---robaranumoreregufitel.pdf
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/2ahprs73soe6hgisdd749fel4b/ditaju.pdf
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16071bde10b046---dufef.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160784a62665c2---66751338388.pdf
- http://neonatal-surgery.ru/userfiles/files/74482926473.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16091c1f84186b---xadewene.pdf
- http://www.520amis.com/upload/files/pegoserulufurunarawemi.pdf
- https://olivier-daulte.com/ckfinder/userfiles/files/31541342634.pdf
- http://guoyangmoju.com/userfiles/files/36463024511.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/f92345823eb13d9f0c4f491b76d26829/11455520523.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160981cb0144e1---46950369439.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c8502fb01d0---ronufewuribegoragedi.pdf
- http://kidneytexas.org/clients/861060/File/fomobit.pdf
- http://adria-ex.com/images/blog//file/41500089853.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/c756c9009405e06c9c1177ddf9fba1c2/moratoboj.pdf
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/303293e59c750502845d620d045cf16c/69735578908.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/0a8bf322d210f0ce2602aac66ed085aa/kalevubofiga.pdf
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/fc6c3b25844d3aba8491d5875283d10f/24455425285.pdf
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f92e.bin0a8a8c9c554b56c1e8e20ebd2e2faf17eb49c23d1bfb7758fb29667748f16aa2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF92E | 17492 bytes |
font_01_sfnt_off00012723.binb9fda3f8b560f1ee0cd3f56afa43fde7409187c74d1b2f0adacc0471228b1305 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12723 | 16548 bytes |
font_02_sfnt_off00013e4c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E4C | 16792 bytes |
font_03_sfnt_off00015663.bin6cdb49e7279a1875ca931c0ed096526cb2ed7375954295bdbd21e08f547162bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15663 | 11388 bytes |
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