MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious, exhibiting characteristics of a phishing lure. It contains numerous links pointing to compromised websites, likely serving as a link farm to distribute malicious files. The document body, though partially corrupted, suggests a lure for a 'free download viber for mac os x 10.6', indicating a social engineering tactic to trick users into downloading malware. The presence of embedded URLs and the ML classifier's high confidence score support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/7dd11fca6c48a5f71c6f5085c413d8c2/10343125778.pdf In PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609aef435ad42---wilumixodijis.pdfIn PDF document text
- http://micronforgacsolo.hu/UserFiles/file/jewapejebib.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/arvhtdjg85khahcfgjkne7rr06/95130814782.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160790ae599411---49267213662.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606ddc20effaa---12272720531.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16075d9d2566bf---sanaket.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607debcc92027---fezekavezuxuvuzov.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16077e5f5dab8b---76359195612.pdfIn PDF document text
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/f1db9e1f306f21b89024b26ad90f3b0d/44782100165.pdfIn PDF document text
- https://chp-travel.ir/data/file/80355289221.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/4b8f35bfbf2e6f95c19e68de876c15aa/21944083299.pdfIn PDF document text
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/n1ciophpun43k8tqj6il2t0via/81398990064.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=free+download+viber+for+mac+os+x+10.6PDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001218a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1218A | 5864 bytes |
SHA-256: 052c53f19e39e4fe4d66bb87b5a88ef9f2e64af7523cb5714ac6d2c83ea37ef5 |
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font_01_sfnt_off0001358e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1358E | 11228 bytes |
SHA-256: 54578575c6ba6dc18370b72b8bcdfc81cc18b9a2285f1d097c4f300293a296d1 |
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