MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites and disposable hosting. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to deceive users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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=difference+between+permanent+tissue+and+meristematic+tissue
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/d285mkc45a9elrmm0kmij2qpi2/pazifazawamiguseni.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9a552fcdd---pasanunaveluvap.pdf
- https://www.demetagras.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607236749169f---danepidolitirexi.pdf
- http://maychamsocda.vn/images/userfiles/file/puverimes.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607955eb5d62e---zezokavoxur.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/16081e28747181---kefanaxo.pdf
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/c0939dd76db93ff100969d4daaa51eae/12261047635.pdf
- http://cc-loges.com/uploads/file/foxakik.pdf
- https://anakmeong.com/contents//files/78864754159.pdf
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6564aa732---16138913073.pdf
- http://hopkins1983.com/clients/861771/File/80569119304.pdf
- https://burgas-remonti.com/userfiles/file/9928595080.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16085a84e17b3f---46843505095.pdf
- http://thuephotocopytaihanoi.com/upload/files/46310673649.pdf
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/16094a4ea71a44---xibawada.pdf
- http://agiusfuneraldirectors.com/files/file/61746621387.pdf
- http://protok.pro/upload/files/lebikovunewigojuson.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/9a93cb9335f6187986a7a71847695392/sipokixojorepibelor.pdf
- http://falerisztika.hu/tmp/bivetedasupugo.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160aa251f89043---89114523178.pdf
- http://17njl.com/userfiles/files/fuzovagosigibukuju.pdf
- http://z-i-f.ru/userfiles/file/biduzubomidami.pdf
- http://www.contectrade.hu/fckfiles/file/30790511739.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_off0000f20a.bin2815771075ea2cddf86378b8585ce1982b7646aa09e0f904e6f1547c878ef565 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF20A | 10944 bytes |
font_01_sfnt_off00010b43.bin8bdad750772ee7e76ddd18d636d2c2a3909468524f962d152a1c7d620af54ec0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B43 | 16652 bytes |
font_02_sfnt_off000136a8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136A8 | 16792 bytes |
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