MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous links to compromised websites, suggesting it is part of a phishing or malware distribution campaign. The presence of a 'download button' heuristic further supports the intent to trick users into downloading a payload. ClamAV detection and ML classification strongly indicate malicious intent, likely related to exploiting vulnerabilities or delivering further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/9s7huamgihv7e687qdf43oph2d/77717985877.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2096cfabc---jogerurafifefu.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/1a5ee5cea4312aec8d242dbfa0c7e60a/kuzenufexonozeturi.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/266c6ccac7fa34cd0020956556dc5993/89068463661.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c3bf5279097---72111339556.pdf
- https://grandhotelbulgaria.com/userfiles/file/lexivase.pdf
- http://gramercygrand.ru/files/file/10896008382.pdf
- http://tantex.org/tantex/tantexuserfiles/file/8139730014.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d4dab67b0---danifalu.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/67n91evohhtco2kvfqn04r54n1/51672857628.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608124cf05568---76791672219.pdf
- https://nilsagame.com/calisma2/files/uploads/6584406334.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845e3d8418c---nimusoxaxoju.pdf
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/i17i50iq1da3imvmj24349sn9i/51797773617.pdf
- http://drairtools.com/ckfinder/userfiles/files/bisikefevuwe.pdf
- https://protradingindia.net/userfiles/file/53833284879.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc9d7d24bb---xopilepunewim.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b760804f6e5---15870008692.pdf
- http://gardnersunited.com/clients/e/eb/eb3320446930dd457027df34457c622b/File/39831650665.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b589df95b79---8743389116.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/8e5ee0072529dc16c5e8cbdc0efbf753/58393696407.pdf
- https://birudongker.com/contents//files/31479054330.pdf
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/82c4c2ed50e6be44aecdd9465ba17d51/32526452133.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/befa3ff8665cb1b700beb0d8d1ae872e/referomejakufen.pdf
- https://coolingrealestate.com/your-home-cleaner/FCKuploads/file/rumajame.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=places+in+town+vocabulary+exercises+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_off0000e890.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE890 | 16792 bytes |
font_01_sfnt_off000100a7.bin9df25cbcbb582d35ed5dae30c2d176216d915bbd4957f9a053f0bda7a8752998 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100A7 | 11224 bytes |
font_02_sfnt_off00011af2.bin112603066bf5469a8219eaa723f32c45e784860271f70d5bb5ba5fb2f2fdf36d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AF2 | 16596 bytes |
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