MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous external links, many of which point to compromised WordPress upload directories, suggesting a phishing or redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads. The document's structure as a link farm on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://qqhanoman.com/contents//files/3080511227.pdf
- https://vigiweb.cl/dinamicos/files/file/73092832221.pdf
- https://namdolove.com/FileData/ckfinder/files/20210624_7B92266396D0A258.pdf
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe68158bcc---tixodalixibesisixiger.pdf
- https://equator-maritime.com/userfiles/file/tavemunukekalolunelama.pdf
- http://alexlunacoach.com/img/editor/file/bawexulowopi.pdf
- http://richmore.kr/uploadfile/fckeditor/file/zowimopasopowajazizoduzo.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078aea01b607---pewubilegozefogeno.pdf
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/557d5a453c384df852e62c20cc59b259/72243445615.pdf
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/43ba25b4a8af004c9a0cf62c455acd19/momodomupanowiromu.pdf
- http://zonwering-belgie.com/ckfinder/userfiles/files/43184081586.pdf
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a896869d4f8---baxokezupukikemeraxinefur.pdf
- http://adaviestransportltd.com/userfiles/file/26630552796.pdf
- http://cayxaotamphan.net/userfiles/image/file/50775764601.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607257c3af7e0---kagubijinewix.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2cfc14374---64722672838.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b13bed2abf0---digofazobovozuwatuku.pdf
- http://garderoba.sk/images/_file/24316571720.pdf
- http://10glazsikeyrosa.ru/file/nexusipuxilorijuxanamavex.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/31676506841d78e00b8626ef18a17326/47063779354.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9485dd80ed---3679877239.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16092dbfde4aad---79257501750.pdf
- http://bestorkate.com/uploads/ckeditor/files/8639085393.pdf
- http://www.sport-konyv.hu/userfiles/file/didakibovezogebekixaze.pdf
- http://animationcoach.com/userfiles/file/29525144077.pdf
- http://longchimvac.net/app/webroot/uploads/files/54360281030.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=law+of+contract+2+book+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_off0000ed37.bin669bffaabea6ba28424bd257ca97b2b94ca11d162b5283248493b689c70af798 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED37 | 17296 bytes |
font_01_sfnt_off00011a2c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A2C | 16792 bytes |
font_02_sfnt_off00013243.bin1c3b447d667e744e55c57cc64c1f313373195027b2ae4beaf8fd4b7b7dd88a32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13243 | 10572 bytes |
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