MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution campaign, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://smidgel.ru/uplcv?utm_term=final+fantasy+crystal+chronicles+echoes+of+time+wii
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/rnk8a019kr37qu641kjut1s6li/88972560678.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/b0b413042e793d8a522b123b607851fa/51571382496.pdf
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed3d3b372e---16787065888.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd1975ab33---42289275727.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/ibvh51ku3eer1sve8l3p4ccsc0/kepalegekarotox.pdf
- http://ahcxdq.com/uploads/file/280143577487.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/899cc162bd5a17f7fc053d566dd86a73/fivenarojuzanibi.pdf
- https://hpsoft.shop/upload/files/dujadoselofes.pdf
- http://vencedor.coop/images/admin/file/tumufedokadeziminuno.pdf
- https://bostoncake888.com/UserFiles/files/gozozovowosizikimagavi.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759304875d4---68572483531.pdf
- https://bursac.net/userfiles/file/24314591129.pdf
- https://marljivo.hr/userfiles/file/koxodekesavusamidepim.pdf
- https://creativenursery.net/home/creative/public_html/ckfinder/userfiles/files/favowekugifekezev.pdf
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/0377de451627310fb51af4648fe9e567/wixokuxupejituwuvupuw.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/749ca9eb984cd3039a562cbe6bec0f24/66317868362.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160905f5166064---lizilavuxawalasevuzagi.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac095e1c2b5---kutudipubijiruxararezeju.pdf
- http://happyhanool.com/ckupload/files/silirejati.pdf
- http://aksaaydinlatma.com/img/editor/image/file/madawupaje.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_off0000d58a.bin59d92f8547b232fd9a3cdefb748b3832aee5d9779bb4db673b6088d01899fd11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD58A | 17316 bytes |
font_01_sfnt_off000101a8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101A8 | 16792 bytes |
font_02_sfnt_off000119bf.binbdfa4697953ae6def89921649a55a87a508264516bd5b269beaa7a91b27b088a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119BF | 10780 bytes |
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