MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains embedded JavaScript and numerous external URIs, many pointing to compromised WordPress sites or disposable hosting, suggesting it's part of a link farm designed to redirect users to malicious content. The embedded JavaScript likely facilitates the redirection or further payload delivery.
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://archism.ru/uplcv?utm_term=elastic+update+index+mapping PDF link annotation
- http://icltindia.in/userfiles/file/14260477712.pdfIn PDF document text
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/6928bbc5f83fab788e1444841c914354/96928040302.pdfIn PDF document text
- http://technoauto.jp/js/upload/files/bidivewisumuja.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ef96e03de---xesumurowupizewoje.pdfIn PDF document text
- http://euro520.net/userfiles/file/16233134401773679627.pdfIn PDF document text
- http://firanywiktoria.pl/uploads/editor/file/xemirukebapodatolina.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608776724f14c---53734936621.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/0e26a7ed2fcfbb75664348067dea061e/votapetusamun.pdfIn PDF document text
- http://hjtech.org/admin/upfile/file/92801359768.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c19a6daf5d5---rojanujujipaxagi.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/32272946286.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/laluxugumepu.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/4u0qonhjujcd41ql3oqofkdafj/piperomokaditetimemaz.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e29d336166---47102016807.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/88ab9810daa329c7a5472a49b278e90e/66771706450.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/nixekovegotikam.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e27d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE27D | 5320 bytes |
SHA-256: fff02cae3a49e4ae4b35f4db1080f120c1ee41528b3fa8340dda0a0133417354 |
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font_01_sfnt_off0000f486.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF486 | 2744 bytes |
SHA-256: dae0f12506c17deaa818396cb86411da2f7a72f10e575d6fda98e021880a3e82 |
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font_02_sfnt_off00010031.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10031 | 10564 bytes |
SHA-256: 84831c64f1f1467bc30c767ff6f3811b3abf1ca5efb446053f0515fcfa445bac |
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