MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites hosting other PDFs. This structure suggests a link farm designed to distribute malicious content, likely for phishing or malware delivery. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6adffd36c4---gusatavodevegewok.pdf
- http://okmarin.ru/userfiles/file/zulixex.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a94bdf55ea2---41494571280.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd026cccbc---22015661506.pdf
- http://aklond.com/UploadFilesfile///2021051606375037.pdf
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/9epk2e8o5cl38rqndvs7v1ci83/viregafekaparisijobejuwa.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160890f07ee1c3---21256202624.pdf
- https://avela.md/userfiles/file/7510447616.pdf
- http://esistore.de/userfiles/file/jigumajupizunezuge.pdf
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/db35f15802117288381228c736045a09/21966505133.pdf
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5d409047e---68900491856.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/513276d643249d43300888a99bc01402/78048728054.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac39e825dae---84221999592.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/bvnomigvohhkfm0fll75ck19f3/nimijed.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/u9755be9fq6bln5vok8bhr9cqj/2189005819.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a00521bdb59---37637955002.pdf
- https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/1391dabcb13abf04847e4bd9ae7ebc99/63045144571.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/290bae3538d4c2ba0e87c42eba765af3/posakotefebalixuvojuvifed.pdf
- https://watfordfairtrade.org/app/webroot/img/files/43570792700.pdf
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/n9njmqh71egorfmrsrgb3dr17d/fululeluvofogiwumiwama.pdf
- http://veraschwemmle.de/fckdata/file/38022578869.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=non+state+institutions+examples
- 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_off0000f4ce.binb94c0daf9b7ad65126127bc3e77b14ef129b9c24d57f3998e6fe670032d9728a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4CE | 10492 bytes |
font_01_sfnt_off00010cb0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CB0 | 16792 bytes |
font_02_sfnt_off000124c2.bin05b6412e4f48dafbe2ae8360e6ecd07604958e8be408c6f449240029375ebd6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124C2 | 17276 bytes |
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