MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as a malicious PDF by multiple heuristics and an ML classifier. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely related to phishing or malware distribution.
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 http://kids-ex.com/guvilupananubu.pdf
- http://fontanarosaserigrafia.it/userfiles/file/lezavinibosoxulisetowukuf.pdf
- https://scriptdd.com/_file/file/79056551064.pdf
- http://highendschmiede.de/highendfiles/file/fosasanojox.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aa41debd7ee---34948860808.pdf
- https://caffedisanto.it/file/mozoselumaz.pdf
- http://wedding-ideas.ru/ckfinder/userfiles/files/rorawemavoke.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/d1fda9000a335f4c82c69b75d1d17a2b/wujakumedaxowojijur.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16079fe0ab4149---disobizezumubijakixi.pdf
- http://ainut.fi/userfiles/file/setabawemajodibo.pdf
- http://werkkledingverkoop.nl/images/docman/files/75164791863.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/viba39abmfvkgfbsm71s8bpdnf/80535421441.pdf
- http://pressvaluation.net/userfiles/file/tekufukupibevelibaxalaru.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1608040e140bdc---40866377286.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e40e89804f8---ruvusi.pdf
- http://rebornfair.com/FileData/ckfinder/files/20210625_72F7D3C561BD3F1F.pdf
- http://chieucoingason.vn/files/62088708417.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9d8000e29---63252888343.pdf
- https://nikosdimos.gr/userfiles/file/80471770050.pdf
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/2e91fbb4c0c4c21ce609c2741663abc0/jovaxefe.pdf
- https://tepihtrava.rs//files/87359916917.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/05e3127fdff70325a5234bd23d663e0d/tupopupidalesurowof.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8eb8117c96---99675578573.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/uuq1nahvf8fhrqd0c0eandgrq7/wagofarivalexugumuzoserum.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=physicochemical+parameters+of+fish+pond+water
- 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_off00014f86.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F86 | 16792 bytes |
font_01_sfnt_off0001679d.bin320104d3fdda4fd76df2265fcda025f01aa976d46418c07eed97d4f51e0f705e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1679D | 11088 bytes |
font_02_sfnt_off00018157.bin7bcd2e37a75ae376a6d1908cdf0641a7b37a5881b325f3d92a0d0854faa58aa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18157 | 17956 bytes |
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