MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the intent to trick users into downloading potentially harmful files. ClamAV detection and ML classification confirm the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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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://inwebjor.ru/uplcv?utm_term=es+file+explorer+manager+apk+download PDF link annotation
- https://mimpishio2bet.com/contents//files/janod.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/uj25gbp0oqrj1rcndi8797709m/moruduv.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bdce4800e81---29110494147.pdfIn PDF document text
- http://toicodonlyson.com/uploads/files/23593932828.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/na9leq688e9ph480b132stps42/guvatataw.pdfIn PDF document text
- http://madveras.com/ckfinder/userfiles/files/fonila.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/f5402df674f8c9c4ee602a825e09d652/jidinarigemafijupavu.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a86bf142d40---36621428503.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/51506a4be59a318f1b7dbfc7f347ee7b/banibafutuzedopawebema.pdfIn PDF document text
- http://beiks.info/public/file/kasim.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/ioev402ppgrcq481p93vjros77/72101651822.pdfIn PDF document text
- http://bouncebodysupplements.com/newerac2c/userfiles/file/jilulakafojilogafolofiba.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073625e46a22---28186352376.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b440cb0b305---jesisegobel.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA43 | 5248 bytes |
SHA-256: 8b34b1ad5f6fd039bac8e42d8e7a97f847ff9b43070c2efdb7f9d5946711b9f4 |
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font_01_sfnt_off0000fc12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC12 | 10716 bytes |
SHA-256: 66efd172b81c1331e262bf5560761fa4dd6f2f345e7c427e4d909ab2f0273e6b |
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font_02_sfnt_off00012073.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12073 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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