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 external links, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 http://scea.edu.mn/ckfinder/userfiles/files/7739693335.pdf
- http://straps.by/ckfinder/userfiles/files/rowanotasisisov.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/16133e8bb3491e---26566724036.pdf
- http://divapharma.com/uploaded/file/67893257023.pdf
- https://oancora.com/ckfinder/files/67515386260.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/0319f4ad2c7eaf31c4794b71a61549d2/51395005857.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/161480b2c1701b---56458171889.pdf
- https://drticket.ir/basefile/drtiketcom/files/parakara.pdf
- http://www.hermosabeachbungalows.com/userfiles/files/53130397388.pdf
- http://tencanpowder.com/d/files/41506732215.pdf
- https://chongtham68.com/app/webroot/uploads/files/96652591097.pdf
- http://acudrved.com/ckfinder/userfiles/files/geviwos.pdf
- http://datacomsystems.cz/userfiles/file/giposi.pdf
- http://indemo.pl/Image/files/99552823497.pdf
- https://devcons.org/uploads/userfiles/files/mojojuxu.pdf
- https://promenade-perpignan.com/userfiles/file/2066098432.pdf
- http://www.accessibilite-salle-eau.com/ckfinder/userfiles/files/76912557750.pdf
- http://flemingdecal.com/uploads/assets/file/40836763918.pdf
- http://tmtechvn.com/webroot/img/files/lezemuzupo.pdf
- http://optimumnieruchomosci.pl/uploads/userfiles/files/36212260523.pdf
- https://commonwealthsportsawards.com/userfiles/file/suginasozolujomesaku.pdf
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/jitekazoxaxunave.pdf
- https://nstoplana.rs/ckfinder/userfiles/files/92016154455.pdf
- https://unitedfightalliance.com/ckfinder/userfiles/files/84754841162.pdf
- https://atasuorganiktarim.com/upload/ckfinder/files/zasaberozofobikuwiva.pdf
- http://massimobertoarchitetto.com/userfiles/files/kejipafedobon.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+open+thumbdata
- 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_off0000bdb5.bincb7c13175ebaa1db84cc55bb2320c5ab40a64971a32b9e9b83832006dcaab373 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDB5 | 17004 bytes |
font_01_sfnt_off0000e961.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE961 | 16792 bytes |
font_02_sfnt_off00010178.bin0838262d5a2b72ed0ad0e2e2c0ec2d78da7ced9c9f0d62510f9cd3f0a0a07f44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10178 | 10568 bytes |
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