MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation tactic. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification score of 0.999778 strongly suggest malicious intent. While no scripts were explicitly extracted, the heuristic 'PDF_SEO_LINK_FARM' and the numerous URLs point towards a phishing or malicious redirection scheme, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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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://resalured.ru/123?utm_term=acronis+true+image+2016+software PDF link annotation
- http://minomesiguziv.22web.org/diretalapememijupezo.pdfIn PDF document text
- http://delunabiwefepef.22web.org/69675937162.pdfIn PDF document text
- https://s3.amazonaws.com/davubewu/xavixovezazero.pdfIn PDF document text
- http://ritixibetono.mygamesonline.org/the_raven_queen_warlock_patron.pdfIn PDF document text
- https://s3.amazonaws.com/vexeliku/how_to_fix_fisher_price_rock_n_play.pdfIn PDF document text
- http://nomenowunesazoz.scienceontheweb.net/positive_behaviour_support_strategies_for_toddlers.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://03dfb0eb-7fe6-4188-ad87-ea2b88df7b19.filesusr.com/ugd/f967ac_83b66cd31978451aa981f5859dc2e217.pdf?index=trueIn PDF document text
- https://e2a12503-e9f4-4898-9b1e-00959bf5a9c8.filesusr.com/ugd/1f0de7_2a0ff995e0644188b821e88ff6865660.pdf?index=trueIn PDF document text
- https://ce2645ba-e89a-43d5-afff-5c0150757291.filesusr.com/ugd/c63dba_0606c2c98ca3424d9b46e14782418ddb.pdf?index=trueIn PDF document text
- https://2cc12256-1025-444a-bacb-901a9f007bda.filesusr.com/ugd/d1fcfc_1362ec79cd7340cebab1e6aea15cecc0.pdf?index=trueIn PDF document text
- http://nalejunubotuw.rf.gd/desalosuxigobolemi.pdfIn PDF document text
- https://1094d5c0-a920-47c7-a1de-7e2d56a92d84.filesusr.com/ugd/47b1e8_7af726c01c074390b18de143a1f784c9.pdf?index=trueIn PDF document text
- http://vubelifijam.atwebpages.com/switch_games_2020_rpg.pdfIn PDF document text
- https://0502d5d0-a0f5-47b8-bc1c-644c46e4e431.filesusr.com/ugd/6cabbb_efdddaaab59c42d1835abf6e429841cf.pdf?index=trueIn PDF document text
- http://zabesawafusoxa.rf.gd/chupke_se_sun_song_pagalworld.pdfIn PDF document text
- http://kagilabitivibe.epizy.com/gajasevitikexuxa.pdfIn PDF document text
- http://vajapojaperusu.myartsonline.com/51768869669.pdfIn PDF document text
- https://21e323bd-7fdd-46e9-a6c7-4880e76d7610.filesusr.com/ugd/0a51c1_fc69717a57f940a7ba18b9587f1b19fd.pdf?index=trueIn PDF document text
- https://95fbbc11-640f-4658-acdf-6e09da746871.filesusr.com/ugd/e42ee3_7461221ba0c24848b2a824bce8477dd6.pdf?index=trueIn 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_off0000dc5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC5D | 5732 bytes |
SHA-256: dc1e126ec8bdfa07d4e3458ee134984fbfe5dffc5ac87626205aec92b7feeb00 |
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font_01_sfnt_off0000efe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE0 | 10752 bytes |
SHA-256: 2f9b4f2b2f4afc58195756e268686943c0166b8f25685e04f252f9c00f917001 |
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