MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It functions as a link farm, containing numerous URLs that point to potentially compromised WordPress sites and other domains, likely intended to lure users to malicious content. The presence of multiple 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics further supports this attack pattern.
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 http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7822dfac5---14070388023.pdf
- https://chp-travel.ir/data/file/sabiwozimogurobuzixujur.pdf
- http://kingtonkatsu.com/uploads/files/30593598047.pdf
- http://saothienemb.com/uploads/images/files/mumulukem.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16099eae3cfa4f---64776274070.pdf
- http://fsgpj.com/upfolder/e/files/20210702155657.pdf
- http://innova-perila.ru/upload/files/xuvenowutosuwager.pdf
- http://baovevietnam-vnss.com/upload/file/48536058192.pdf
- http://nakajima-ya.com/upload/save_image/files/gunekamivivoladakosop.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c983bae0b7d---kitafikogaxugafowu.pdf
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160be1bde6dd9f---suxezededeto.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1608467cbbab46---50733631648.pdf
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/70440a68493eadca8d415e25ceca818c/japaripoduzuduxamurox.pdf
- http://ibshop.gr/uploads/_uploads/files/xijatelarojipevabejexotaw.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/09d3c68bcc20b1e0bea6541c7edc2250/78739677968.pdf
- http://christopherdallo.com/file/7800289646.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/cbea66b0b8fa04044888ed63bf199ffa/migikerexasoxog.pdf
- https://michelbarbot.com/upload/files/girafutuxefujapi.pdf
- http://www.biotanika.pl/upload/file/88450921030.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b8b3edc63---23428691306.pdf
- http://ipublicity.cz/data/file/jetolivejowadubupurap.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2434c599c---zalopiju.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=what+is+the+climate+in+eastern+europe
- 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_off0000f37c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF37C | 16792 bytes |
font_01_sfnt_off00010b8e.bina01163d542cbe3b7b816f09fc9884e7a36b9038553f9bada75d957d5651b2bf7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B8E | 21172 bytes |
font_02_sfnt_off0001413b.binca7efd3967aab160dbe34ef9dfe44a6c7a76df6aeda6a31c40b06abeb5fe1d44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1413B | 10732 bytes |
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