Malicious PDF — malware analysis report

Static analysis result for SHA-256 60dea608c754712d…

MALICIOUS

PDF

78.4 KB Created: 2021-03-16 04:29:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: e023c4ab6b832c6569a8f991fc3f64fd SHA-1: 68dc3d3045eec65441aa58a121aa20224d3321cd SHA-256: 60dea608c754712dc6ac38e4aa2a09a9d9d266308aa44659038e7fb02fdaaee9
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded URLs, many pointing to disposable domains, and is flagged by ML and ClamAV as malicious phishing content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a tactic to obscure malicious links. The document body, though partially corrupted, suggests a lure related to a manual, directing users to a malicious URL for further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 5

  • 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 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://xezojetit.ru/strik?utm_term=pedalera+zoom+g1xon+manual+espa%25C3%25B1ol+pdf PDF link annotation
    • https://cdn.sqhk.co/telapunojawu/eLFWgiR/kerimurul.pdfIn PDF document text
    • https://cdn.sqhk.co/xisalaximel/wijgijh/trampoline_man_stickman_game_chant.pdfIn PDF document text
    • http://kismykeitio.best/68034566777plv3x.pdfIn PDF document text
    • https://lezexoxutipeb.weebly.com/uploads/1/3/4/4/134462335/2537150.pdfIn PDF document text
    • https://sapefesoj.weebly.com/uploads/1/3/1/4/131453354/soxone-japeg.pdfIn PDF document text
    • https://cdn.sqhk.co/detaludolef/bJhiiip/29312003369.pdfIn PDF document text
    • http://huseyincanx.com/what_does_previous_type_mean_on_colorado_drivers_licenser3mj6.pdfIn PDF document text
    • http://sberbank.link/is_not_straightforward_en_francaisl2us7.pdfIn PDF document text
    • https://rerubugamujo.weebly.com/uploads/1/3/1/0/131070567/8635204.pdfIn PDF document text
    • http://yogist.fun/bobcat_843_repair_manual1s4l2.pdfIn PDF document text
    • https://cdn.sqhk.co/navimoxa/yJji7ie/fruit_clinic_master_2019.pdfIn PDF document text
    • http://arfeshome.com/587116560478f5lo.pdfIn PDF document text
    • https://jubiwaxu.weebly.com/uploads/1/3/4/6/134645567/2946256.pdfIn PDF document text
    • https://cdn.sqhk.co/bitowiso/cUtNjbO/hair_salon_makeover_free_online.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/9e6b72bf-66b3-426a-b1a0-7f633c563440/summon_monster_5_list.pdfIn PDF document text
    • https://s3.amazonaws.com/gupojakami/nowiko.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9bb65c1c-edff-44ff-8d35-904720a99437/the_black_prince_full_movie_in_punjabi_free_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2666b4d8-4733-4deb-8932-a237af48d863/53641715780.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/003a23f3-3725-48b2-933b-523f04c4d9ef/57278306597.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d715b81-3dc3-4013-ad53-e94afe52e385/rv_fridge_wont_work_on_gas_or_electric.pdfIn PDF document text
    • https://s3.amazonaws.com/tupofelasujewas/24295669477.pdfIn PDF document text
    • https://s3.amazonaws.com/fadadedezeker/zegimevel.pdfIn PDF document text
    • https://s3.amazonaws.com/zebarufuridorur/47553951261.pdfIn PDF document text
    • https://s3.amazonaws.com/liwara/sherlock_holmes_games_free.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_off0000ee8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE8A 5744 bytes
SHA-256: 3a906553c3786e07e54eaa1f25682297d6b45b028f6fda62b6c42f79356f56dd
font_01_sfnt_off000101d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x101D2 12536 bytes
SHA-256: 5efe08ba786bd83381fdb1f29f90e6600f9509209cfc6a155c1567efe13222b5

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