MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1539 Steal or Forge Credentials
This PDF file was identified as malicious by a machine learning classifier and ClamAV, with a critical heuristic firing for MFA/one-time-code harvesting lures. The document likely aims to steal user credentials by presenting a fake authentication page. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm used to distribute phishing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://pelibifir.ru/123?utm_term=biometric+authentication+android PDF link annotation
- https://rodekimixew.weebly.com/uploads/1/3/4/3/134314341/mokebemowex.pdfIn PDF document text
- https://lubumona.weebly.com/uploads/1/3/4/6/134648672/bd1ddb0b0f2a.pdfIn PDF document text
- https://gokatejasefe.weebly.com/uploads/1/3/4/6/134650338/5673094.pdfIn PDF document text
- https://tikuvafijosil.weebly.com/uploads/1/3/4/6/134685963/zorafe.pdfIn PDF document text
- https://batebabegusuk.weebly.com/uploads/1/3/1/4/131437625/tedagosagiru.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488566/normal_60264fe0603b1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494874/normal_5ff3a8b1b2005.pdfIn PDF document text
- https://vegirizixe.weebly.com/uploads/1/3/4/7/134716682/e36c8112974c.pdfIn PDF document text
- https://venunuwaxel.weebly.com/uploads/1/3/2/7/132740799/xidanumawivej.pdfIn PDF document text
- https://jofukesor.weebly.com/uploads/1/3/3/9/133999831/2417795.pdfIn PDF document text
- https://webebusili.weebly.com/uploads/1/3/0/9/130969565/soduvuko_gavibexofe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414488/normal_6033c2ac69a47.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/7da0dbe0-73a5-442e-b882-eb0f8eaa2650/quotes_about_the_measure_of_a_man_is_not.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d80bc6dc-be65-4f12-aa95-84a61bf15b1d/dudugitafufe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ef1c99a-5488-4a20-a851-30db7988c05c/how_to_light_switch_timers_work.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7cddd1e8-2573-4a9c-8b64-23aa24e55c67/washington_state_lottery_jackpot_games.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd1b191a-7f27-4188-a523-73c11f16571c/nihongo_so_matome_n4_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7ddbae0-e411-4a4a-ae9a-6378a12c48d0/honda_power_washer_repair_near_me.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/23472315-3344-451c-a9da-319c8c286f7f/87142756753.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0096cb57-ad8b-4446-9969-111f9fed715d/the_darkest_minds_summary_movie.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_off00010ba1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA1 | 5020 bytes |
SHA-256: 4b85a40c7c3462d4b77a00fb914a9950d2b4af73ced59c910642b137072325b8 |
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font_01_sfnt_off00011c83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C83 | 11576 bytes |
SHA-256: 08b140567a820a1863472b307a9619ec6c0913c43202270ea67d09419c22b28e |
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