MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded URLs point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://drafthe.ru/uplcv?utm_term=bolsa+de+valores+concepto+pdf
- http://adamslakeband.org/userfiles/file/fuwupujufozilabitevar.pdf
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608558f2a3339---gowijezubolifikum.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609832d459dbe---nolepananubez.pdf
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/e61eaf4f04af6163fffebaac95913ad6/tipisemobemajudamibit.pdf
- http://smepil.com/ckeditor/userfiles/files/65298806919.pdf
- https://marsanz.pl/uploads/fck/file/42370874330.pdf
- http://topspeed4wd.com/ckfinder/userfiles/files/57365413919.pdf
- https://ph789.com/pinhsuan/files/file/madabopapapibijunar.pdf
- http://888spirits.com/userfiles/file/pirewiwibiwuz.pdf
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607794f862f41---vatuxinedeluvogejimilagis.pdf
- https://avigailpekelman.com/sites/default/files/file/gogubatizobub.pdf
- http://alltechsro.cz/files/nemusovujepetudutomo.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9cff45cf5c---zixitegafamafuxab.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9845b8f24---posavilipiwume.pdf
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d097df11df---tajoj.pdf
- https://allcreaturesinc.com/files/files/87026481441.pdf
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/694kgo02j0stnq0htrnbaj1jgs/87533265198.pdf
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/5bca153efc142b68f11115fa4765043b/54167088622.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef86bcca48---koxiwigogozumomi.pdf
- https://didacostruzioni.it/userfiles/file/wapetekepevuwerenitadi.pdf
- http://28777886.com/Lpf/UPFILE/userfiles/files/99239251570.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/0bnm50a4q06pffmhicv11vqmc5/77182457972.pdf
- 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_off0000eeab.bin71aefc6cccef9b042d454c304e11961bf83e6dbe2adc0556a438af95f55732fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEAB | 18436 bytes |
font_01_sfnt_off00011cd1.bin736ac14e6765b7a7d665fc334b6d53a42613bbd39c4740ce28e6dbcfd7431edb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CD1 | 10640 bytes |
font_02_sfnt_off00013567.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13567 | 16792 bytes |
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