MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable domains, likely 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 0.9951
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://allytemp.ru/uplcv?utm_term=integral+of+cotx
- http://dailyxedayhang.com/userfiles/files/nakuxegazerenobab.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbbeea90d4---97034089800.pdf
- http://phuwangnam.com/user_file/file/41516233622.pdf
- http://bellina.pl/userfiles/file/rifajepik.pdf
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/d930283107c151569398278c2649b2fb/rudozuzatofomufudo.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/e7589c6fb962769b660b2e51f63cbbb7/76571718744.pdf
- http://romanakladatelstvi.cz/userfiles/file/79544438755.pdf
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/mozovumajurixefexuga.pdf
- http://euro-ex.net/images/blog//file/23275687405.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c533299710b---45637916324.pdf
- https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160827ccab8988---40587553064.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078c5263e98d---gisamapavidiruwexupezow.pdf
- http://kayapaliinsaat.net/file/63305785083.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7228f8c67e---78913577713.pdf
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/7746e9b2a135e8790566a91d7a2c22b4/zebaxumudoj.pdf
- http://adabaskimerkezi.com/upload/file/xuguxuwegidum.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090ed1244967---9604883354.pdf
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071685c1e022---fileberep.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7b2576139---17985797438.pdf
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/7e2f4df2180483881ff6c472d21d7584/26130556121.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/ghl12kar32vg9ehvq0v71odrsu/pixarebawarojutivela.pdf
- http://aceonlinementors.com/userfiles/file/40248244617.pdf
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a839cce9675---ziwukofiwenevapuv.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7cbd9ca01---62969520956.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16076cf2694bdc---jumusixiwobanasubu.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_off0000e4b5.bin75b7a3c437fbeebf7f8897a3ed9fef95b20f78427efe90c3368fb86861273513 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B5 | 16548 bytes |
font_01_sfnt_off00010fbe.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FBE | 16792 bytes |
font_02_sfnt_off000127d5.bin8b4a63f7b8afd481746c0e98b0cfc381de91b74cd9684216c9f4a62ad183c4f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127D5 | 10304 bytes |
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