Malicious PDF — malware analysis report

Static analysis result for SHA-256 eacff52ea18722b0…

MALICIOUS

PDF

70.2 KB Created: 2021-03-10 13:41:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 0c7120fb2bc28d5863b8cf964a4c1112 SHA-1: 83261719e4b3b766d0eb19ef7020a48871c9fd70 SHA-256: eacff52ea18722b0030071d14d39ecbec926650b5fa05e56c5df04e0812bb506
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://mezovuduw.ru/wix?keyword=the+pillowman+pdf+download PDF link annotation
    • http://jajolamuseku.medianewsonline.com/apple_ipod_shuffle_2nd_generation_battery_replacement.pdfIn PDF document text
    • https://rizofuruw.weebly.com/uploads/1/3/0/8/130873790/telonuxuxev-gevusaj-xugesoke.pdfIn PDF document text
    • https://gikowotezura.weebly.com/uploads/1/3/4/4/134493608/61b51.pdfIn PDF document text
    • https://cdn.sqhk.co/rufebumu/1sUhfI1/luxus.pdfIn PDF document text
    • https://naruvemekojesez.weebly.com/uploads/1/3/4/6/134685524/wivumenekupugo-moberufafar.pdfIn PDF document text
    • https://xarupome.weebly.com/uploads/1/3/4/4/134469096/vosesoj-nidejipafatuzox-kajenivowiw.pdfIn PDF document text
    • https://vejarava.weebly.com/uploads/1/3/1/0/131070596/1922690.pdfIn PDF document text
    • https://logesili.weebly.com/uploads/1/3/5/3/135389335/xukadezirefiwer-rovojike.pdfIn PDF document text
    • https://zawivipesanupi.weebly.com/uploads/1/3/4/7/134724715/baaa4d0.pdfIn PDF document text
    • https://cdn.sqhk.co/zojoguxuban/diiAyii/game_of_thrones_lannister_family_members.pdfIn PDF document text
    • http://fakixigulidol.mywebcommunity.org/survival_servers_minecraft.pdfIn PDF document text
    • http://dipenoguzel.sportsontheweb.net/hobart_welder_140_vs_190.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://ee897e78-a157-4eb5-8a47-d615096087a2.filesusr.com/ugd/113e89_44623410d69a4fb2821e8d0ed2c2fe7a.pdf?index=trueIn PDF document text
    • https://0a3c8164-ddd9-4522-8472-457ce31ece15.filesusr.com/ugd/d32f78_aaf5034bc70442a8b81629cabca51f6c.pdf?index=trueIn PDF document text
    • https://a0d2adcf-75bd-42a9-a42a-c23e1c6e9e1a.filesusr.com/ugd/85c99c_93aac20925fc41ea87a94214c3fcb27a.pdf?index=trueIn PDF document text
    • https://5fb42ee6-a9be-400a-98f2-f9d4b9f720c8.filesusr.com/ugd/1813b3_a291c91c86b6450eb0e9c7651315b7b5.pdf?index=trueIn PDF document text
    • https://6997f972-013f-4c6f-ac95-4179ba17a557.filesusr.com/ugd/549e1a_9f1c3266d0a84b63bac6755fa83b7649.pdf?index=trueIn PDF document text
    • http://nukivamo.myartsonline.com/in_the_heart_of_the_sea_movie_analysis.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.

FilenameKindSourceSize
font_00_sfnt_off0000d6c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6C3 5048 bytes
SHA-256: 4b457418a246dafdbe76da373c9bbbf2245d7a09c4bd08f343c282af23632b3a
font_01_sfnt_off0000e7e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7E1 10552 bytes
SHA-256: c84738d4e1af7bc50ac04c66f2f7d640d04230f4456347d5bdc3ed24ead7d356

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