MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised WordPress sites hosting other PDF files. This behavior is indicative of a link farm designed to redirect users to malicious content, likely for phishing or malware delivery. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/95d74f43e6e867c2c101e26930ce51f2/80940720140.pdf
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/hug41n55norovd8s5kok95jh90/63025114674.pdf
- http://urbanconstructions.org/images/uploadedimages/file/xukedaxole.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6069bf14ad---19044549670.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609669b459d15---fowavufumuvokuborixive.pdf
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/ljgn59dpufig5teeoi4s3bmh1f/soworetudufalidimumusoxuv.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606efec7a1fec---75877801259.pdf
- https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/hrh40q24lscbrlpmkfjcecjf5c/foxazanagotejexurowekarad.pdf
- https://123natura.com/stockages/files/61064412261.pdf
- https://easy2ticket.com/upload/files/dozorijijijaporefiri.pdf
- https://aymfly.com/aym_image/files/54218859562.pdf
- https://rajaunited.com/contents//files/rimaj.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/nqrcnamd483m4catq172alooto/xobamesegutada.pdf
- http://velocimapper.com//webfiles/file/wevuvadezuwabat.pdf
- http://ahkjt.com/upfile/file/lesuwojimudur.pdf
- https://bd-sokolovska.eu/userfiles/file/22135488442.pdf
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/8af498e745581e70f1284041fd56c73f/sutavavevuzexoboronutab.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/33cbcbaa5be1f9c83791e68cd7299bdf/wanun.pdf
- https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/773d6f36a018de5415d18c81d21fe5f8/timizufekigoxakulajibo.pdf
- https://www.demetagras.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d17e69c966---gogug.pdf
- https://alutat.com/data/file/28760413505.pdf
- http://pahsclassof2005.com/clients/d/d6/d61c4c031b0f3af13d3e88110ef3a3e1/File/rezomekizufozokopabi.pdf
- http://musicpark-live.de/userfiles/file/36728678464.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090e5e9d894b---bavadofugetezomabu.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ab587445c---49925973923.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/fdab3f60579cc25d26d8b758a76fcdb8/83105763802.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=please+proceed+with
- 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_off0000f273.bineb42da0af5c0bb44c077eb6ec11c79079c6aea8fb4061ec8595c632109a28359 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF273 | 23040 bytes |
font_01_sfnt_off00012c94.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C94 | 16792 bytes |
font_02_sfnt_off000144ab.binf58d0ac9749468f70935c3409fd45c20a06c9e0a15b4e47fe1fb9e2f3cbb460b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144AB | 10596 bytes |
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