MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting it's part of a link farm designed to redirect users to malicious content. The presence of external URIs and compromised CMS uploads indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://crewmak.ru/uplcv?utm_term=daily+news+jumble+answers+for+today
- http://3colorjazz.com/fckeditor/userfiles/image/50570144266.pdf
- http://braghieriarchitettura.com/userfiles/files/17819402285.pdf
- http://polenes.cl/userfiles/file/xenanaz.pdf
- https://myphi.biz/nbloom/fckuploads/file/borewe.pdf
- https://wrd13.com/force/file/64289419267.pdf
- http://anhuizpyy.com/upload_fck/file/2021-5-6/20210506155546810574.pdf
- http://sattosushi.com/uploads/files/doxenijimolelolovefareda.pdf
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/284c427547c6885bc99e6650554d5838/23602871268.pdf
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc2575a051---46215213136.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608570007155a---71971810016.pdf
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/ukb5mvve1mns9651r3vo3o56l3/6452280234.pdf
- https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/842to6ro4sm8vl0unggstv0816/riwalebusinowa.pdf
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c49cb7b238---96368552674.pdf
- http://teresachild.com/upload/files/65152514050.pdf
- https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/a76451f6405514628e44277cd9444ba5/zovagiwiluvofovipa.pdf
- http://pantryscan.com/123cars/imagefck/file/busirorofuvixe.pdf
- https://thuaphatlaihoanghuy.com/uploads/files/xobopugeno.pdf
- http://tms-operation.com/upload/files/ridodebixofotaputakuzowi.pdf
- http://doudou.tw/userfiles/files/jowasowovupariz.pdf
- http://associazionemillesogni.it/userfiles/files/99278025410.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/7sc16m4blrsqul25lliei4fnn5/tavivito.pdf
- http://fornacedelia.it/userfiles/files/ninatemojiwowukek.pdf
- http://mfcwestenkwartier.nl/beta/userfiles/file/kopakak.pdf
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/be0fb084e039367fa23f30b4e645a257/vilimunebupotipafovi.pdf
- http://daiichibus.vn/uploads/news_file/5205874903.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_off0000dfbd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFBD | 16792 bytes |
font_01_sfnt_off0000f7cf.bina2c7497428a5c79583306959a4cf043c3718ce2d6fba782af5c0f1ba6c1726f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7CF | 17576 bytes |
font_02_sfnt_off000125dc.bin4d1f5da3f328559a2af3566a97b80dadae575d8a54ed29325610979f796c25a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125DC | 11088 bytes |
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