MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. ClamAV detection and ML classification confirm its malicious nature, likely as a phishing or malware distribution vector. No scripts were extracted, and the document body was unreadable, so the attack pattern is inferred from the URL analysis and heuristic firings.
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 http://arunimaflavours.com/userfiles/file/kesipaderu.pdf In PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae351a7ffa---luxoliluzixepuzodexowido.pdfIn PDF document text
- http://bielwod.com/userfiles/file/74686717973.pdfIn PDF document text
- http://blpest.com/UserFiles/file/41957821953.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084f3dc90511---1496732985.pdfIn PDF document text
- http://asustainable.com/global/file/kusonuri.pdfIn PDF document text
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/f5hb1ok6ubmacasa77g8oh9mb1/febogifatufenofodinu.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/fddbc53797eafb377d39f4fac3953ece/kiwekokolulafiv.pdfIn PDF document text
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607909a8a6cf0---68213891918.pdfIn PDF document text
- http://termocity.by/pics/files/danajawinifolopuliva.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/13780289726.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/xowesiwusaxusewas.pdfIn PDF document text
- http://avandcie-automation.com/ckfinder/userfiles/files/98847802770.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/bilpgcj8ottda09435bldugtm7/ruvezok.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/6tlsu8t82ftvd6ueu5m3bh4eg1/jumupekakalapudugas.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160aea5a092a85---16948131543.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/415f135e82e760978916cacd30b22f38/31756887745.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/6b305bfafe700fe4e08fd0aeceffa69d/nibikasavo.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/8ca61a81254ea4c172786f7d4ddf829a/witogabasaxurugemekakowos.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/visimosotuxofoxovavabapor.pdfIn PDF document text
- https://aspaeng.com/files/image/files/9271780276.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160848699b4122---47357074055.pdfIn PDF document text
- https://eijo.in/ckfinder/userfiles/files/zexifexogeloriji.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8971a4259---dagudowufijumumotox.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+change+an+image+to+a+pdf+on+macPDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e834.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE834 | 17120 bytes |
SHA-256: 933d46dd95cf3fcd064f5a2cc074f3aaf6fd61e26ad6daec27614d89d4f9eb65 |
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font_01_sfnt_off000114da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012cf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CF1 | 10828 bytes |
SHA-256: 22162e1265aed93c30c629298babea7269117a35fc01a7aac76bc0ab6ddacc8c |
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