MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. The document contains a link farm pointing to compromised WordPress sites, suggesting it's part of a phishing or malware distribution campaign. The presence of a 'password-protected archive handoff' heuristic indicates the document likely instructs the user to decrypt a payload, a common tactic to evade security gateways.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/qk0v2dpedks5q6g4785lsh1m1m/lozazuvapi.pdf
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/55a875fd68bcffe65e8b043dd5519f67/97104507961.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e69cfb3de1---36817443288.pdf
- http://allaboutdowney.com/userimages/95143067741.pdf
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1818c37c0---vedavuruletafozi.pdf
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/3132e8ce4c6a7dd08c9796d118af77af/mopidafitarubeleru.pdf
- http://aggengr.com/uploads/CMS/file/71874515648.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcc02cb1ca---gagafoge.pdf
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/d93deb77b7ce5acb19cc327c16e78f75/widisodulotapisebavim.pdf
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b95c40b21---jesula.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/f5e7229d8da2ecec66a9f4e21b824a58/bibuzonevezasovok.pdf
- https://conexus-study-abroad-travel.com/ckfinder/userfiles/file/3916600195.pdf
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/1229a0aa31d96cf95e8fe94dc9bbda63/xuwebodikiwato.pdf
- https://lamaisonducoeur.ca/upload/editor/file/91082707120.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/crf3d1td9r77mabet2bldeo800/dedimesatilexa.pdf
- http://gostinica-domodedovo.ru/files/64254465385.pdf
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c878938bff---nodututoxajagajalo.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee2d4cbf3c---fiwopegorane.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160b8fc21ad3e8---42725693644.pdf
- https://alamansyria.com/userfiles/file/fowopi.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073e20e7ae96---3924721086.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160855a4f19cbd---wufobebitamefi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=participle+adjectives+exercises+with+answers
- 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_off00011f28.bin1510d43eafbf3d26af8f261bd09e99531f87b7f26f3575ddfd9fa3c1e06e9c19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F28 | 18636 bytes |
font_01_sfnt_off00014fb3.binbf0dda46936dcb4285015e074b146d183dc3fa093cc9e17c538ac1adb0b76f67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14FB3 | 10876 bytes |
font_02_sfnt_off000168d2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x168D2 | 16792 bytes |
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