MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by multiple heuristics and an ML classifier, with ClamAV identifying it as a phishing trojan. It contains a large number of embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to facilitate phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://archism.ru/uplcv?utm_term=lil+baby+and+roddy+ricch
- https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/220a0aad23a50c619ad047f151c001ac/sifozivujivi.pdf
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/leb50m2vl47tt5fk44bi02kh1q/zodevuje.pdf
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/b52ca93ce9144e963994021732fc83ef/53035106145.pdf
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609452749fa41---47744227008.pdf
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607c728bd8941---41141169073.pdf
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/lqdr4kuc8keuhtctq4hl7b9fj2/57840277785.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608254fbd01d0---860552867.pdf
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608709e687ecf---zedabejeximemuwaron.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b7cb59c9e---27212513286.pdf
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/vp6lf8pa588a3hg6ltjnq8n2s4/zitag.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609be9c9148f7---pinagiwarexexiwopoxe.pdf
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/0b6ed8f7fb478d4dc43580a275d7eff1/13719070174.pdf
- http://toeicspeaking.net/_UploadFile/Images/file/69976419260.pdf
- https://dm288.com/slicice/file/26968929168.pdf
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/14e7cf6046c977aa1ace422ea86d3577/32279092155.pdf
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c8eda862af6---65760954600.pdf
- https://rdsdealers.com/ckfinder/userfiles/files/boroto.pdf
- http://jadever.vn/Images_upload/files/76362517564.pdf
- http://bhttourist.com/upload/fckimagesfile/kopomujutisibima.pdf
- http://biomassasia.net/data_ed/userfiles/file/97483719191.pdf
- https://boucherienabli.com/uploads/FCK_files/file/30280345663.pdf
- http://c-amc.com/upload/files/rexujubobixitofujavoguwa.pdf
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/c52f22dc3ce1b150058881dfe2337e7d/dopusoxarozuzulereru.pdf
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/d854365c5eb129e148b5275e4c6f62f4/fegumagatavibowonabebus.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_off0000fd31.bin3d4c1af689bbcc934b526fad4a1acd4c2103468d46bafd0e9e0087cf0d77856a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD31 | 10280 bytes |
font_01_sfnt_off0001141f.bin2111e1e3fd486ae6d4b6882d76df06b4535c6485d6d2a659597d4c0355e54140 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1141F | 20192 bytes |
font_02_sfnt_off000146bc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146BC | 16792 bytes |
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