MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, and it contains a critical heuristic firing for brand-impersonation credential phishing, specifically targeting Facebook. The document body is heavily obfuscated, but the presence of numerous external links, many hosted on disposable domains, suggests a link farm designed to redirect users to phishing pages. The primary lure appears to be related to 'bitcoin trading platform work', likely a pretext to entice users to click malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://dodilepu.weebly.com/uploads/1/3/4/4/134444379/cdc2de6c5e.pdf.
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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://dafemum.ru/strik?utm_term=how+does+bitcoin+trading+platform+work PDF link annotation
- https://static.s123-cdn-static.com/uploads/4485161/normal_5fc584c49b226.pdfIn PDF document text
- https://dodilepu.weebly.com/uploads/1/3/4/4/134444379/cdc2de6c5e.pdfIn PDF document text
- https://gomafaned.weebly.com/uploads/1/3/5/2/135296522/0e8516e.pdfIn PDF document text
- https://risimapi.weebly.com/uploads/1/3/4/3/134321435/buvulekutezejejemu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386079/normal_602cdfafd022e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481053/normal_5fe4b4fd376a6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489734/normal_5fe711a225ed9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460465/normal_5fc8fac50f1fe.pdfIn PDF document text
- https://pidesetax.weebly.com/uploads/1/3/0/7/130739971/3f147430995e6c.pdfIn PDF document text
- https://rujunile.weebly.com/uploads/1/3/2/7/132710621/84f97.pdfIn PDF document text
- https://buzijivugaza.weebly.com/uploads/1/3/4/7/134709386/7940036.pdfIn PDF document text
- https://warapado.weebly.com/uploads/1/3/1/4/131437563/3543950.pdfIn PDF document text
- https://lujuvikib.weebly.com/uploads/1/3/1/4/131406806/refimivajepevulud.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449630/normal_5fd087571de9e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459468/normal_6030dd05f33f1.pdfIn PDF document text
- https://genizeregadivov.weebly.com/uploads/1/3/4/7/134709948/giwowawike.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426822/normal_60521723b7ab2.pdfIn PDF document text
- https://volifinidolil.weebly.com/uploads/1/3/0/8/130873876/6788768.pdfIn PDF document text
- https://juwarojolajekol.weebly.com/uploads/1/3/4/1/134108785/6873515.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/redegelesibif/convert_keynote_to_powerpoint_on_mac.pdfIn PDF document text
- https://s3.amazonaws.com/wajufifenoxuj/nekuzabigosef.pdfIn PDF document text
- https://s3.amazonaws.com/dumupa/14246967309.pdfIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000103ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103BA | 5732 bytes |
SHA-256: b09e5f0fb39821cb573b8052027f95d8fca634dfd119f7f18c726c92aa3162c0 |
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font_01_sfnt_off0001173a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1173A | 11400 bytes |
SHA-256: 82a234ff72f43e3136ff4ff283296cb87cba7f6b3b773da66191423e61295385 |
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