MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded URLs pointing to various domains, many of which are hosted on disposable or compromised CMS upload storage. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest the document's purpose is to act as a link farm. The ML classifier and ClamAV detection further support its malicious nature, likely for phishing or SEO abuse.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://clairvoyantinfotech.com/demo/images/wesuluxajirijiwawogexiwet.pdf
- http://dynamic1984.com/user_file/file/70684881681.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608421f974f39---falilidex.pdf
- http://wami.cc/data/files/37181218655.pdf
- http://vdadanang.vn/app/webroot/assets/files/88359430031.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/e1113ea4de81ce148398e1b9e162246b/zukineramisalu.pdf
- http://ashioke.com/images/library/File/76604803898.pdf
- http://www.aqsclimited.com/EditorImages/file/60363198341.pdf
- http://wskinbody.com/data/boardData/files/95801796852.pdf
- http://kulturazebrak.cz/userfiles/24971904023.pdf
- http://xn--o79av69abka850ab6c.com/upload/file/202107090750163432.pdf
- https://viboot.com/ckfinder/userfiles/files/tekeduresisurudobo.pdf
- https://poolpoint.be/uploads/file/ligam.pdf
- https://marosme.ro/hirek/file/desikopugu.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cecaf6bc45---56977125978.pdf
- http://teechart.com/uploads/images/files/tukizaparezidigavisil.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16093be859ca11---zofej.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160774a46b2874---sofimodasezaxeweg.pdf
- https://flomogroup.com/upload/files/wewikokako.pdf
- http://kstarsmall.net/userfiles/file///35256128918.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160721fe084687---64342712883.pdf
- https://samngaimarble.com/html_upload/file/42257975705.pdf
- http://bakoca.hu/files/file/38596682600.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=45000+square+feet+to+acres
- 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_off0000d9cc.bincdd9f035c3ee1ca0095e2eec739303fbbebb53096129b75b08cf66ebebd3c65f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9CC | 10568 bytes |
font_01_sfnt_off0000f21f.bin4b7622875fdd5d4aa80ad66cb8128442fcc5a85070f48448f07e8e73172215a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF21F | 16888 bytes |
font_02_sfnt_off00011e25.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E25 | 16792 bytes |
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