Malicious PDF — malware analysis report

Static analysis result for SHA-256 96cc2c64ded71dc9…

MALICIOUS

PDF

87.7 KB Created: 2021-03-28 05:46:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 27b61a7f892a46848fac5ed5d21ee18c SHA-1: 6636d44febad93486fc21f41befdf54731f426bd SHA-256: 96cc2c64ded71dc922ae8e1622fffdb56ee0847468b0e040f058adee91493312
126 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous external URIs, many pointing to disposable hosting, suggesting a link farm or phishing infrastructure. The presence of embedded URLs and the heuristic indicating a link farm on disposable hosting strongly suggest the document's purpose is to redirect users to malicious sites, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://pelibifir.ru/strik?utm_term=honda+eu2200i+generator+cover PDF link annotation
    • https://barobinamad.weebly.com/uploads/1/3/4/7/134756413/zidaji_xuragerolotiti_tosaror.pdfIn PDF document text
    • https://fonasidijefem.weebly.com/uploads/1/3/4/6/134636639/c1f67.pdfIn PDF document text
    • https://cdn.sqhk.co/bazexolareja/i6Njdhb/13373273823.pdfIn PDF document text
    • http://fetedeju.mygamesonline.org/88853203260.pdfIn PDF document text
    • https://cdn.sqhk.co/jubawiwa/ggfOxge/smash_it_with_a_hammer_gif.pdfIn PDF document text
    • http://myfirstsite.xyz/64997153507gzdb1.pdfIn PDF document text
    • http://findattime.com/channel_master_cm_9521a_complete_antenna_rotator_systemqbi8y.pdfIn PDF document text
    • http://dumigegin.medianewsonline.com/meravuz.pdfIn PDF document text
    • https://cdn.sqhk.co/lidupusumoj/hfhdeVJ/lipunaxelo.pdfIn PDF document text
    • http://nyvelsets.online/free_business_card_psd_template_for_photographerspzupi.pdfIn PDF document text
    • http://complect-tech.ru/cinema_guide_qatarylmiz.pdfIn PDF document text
    • https://widowajezow.weebly.com/uploads/1/3/4/5/134584852/8cae42.pdfIn PDF document text
    • http://idem-peshkom.ru/52584873613r8tdq.pdfIn PDF document text
    • https://cdn.sqhk.co/jowapezo/BmiapQ2/new_areas_of_laws_2019_florida.pdfIn PDF document text
    • https://cdn.sqhk.co/sepovili/c2zoMgd/jedaxefakosegujeniv.pdfIn PDF document text
    • http://vegofejolafud.mygamesonline.org/49946495516.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/a3590cc2-f99e-4efc-a356-015d025dc0b5/75211879801.pdfIn PDF document text
    • https://s3.amazonaws.com/babuxufarizuxur/logitech_harmony_350_universal_remote_foxtel.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f7c320d7-f9af-4498-a812-ece81049c985/single_variable_calculus_early_transcendentals_ed._008.pdfIn PDF document text
    • https://s3.amazonaws.com/desekusoxi/mudik.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b5bf9d78-ceda-4011-8823-f35bd32ca105/members_mark_portable_gas_grill_cover.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e224c2d2-28e0-4f78-9107-4cc01a1cd3df/jesus_culture_one_thing_remains_ukulele_chords.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_off00011710.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11710 5192 bytes
SHA-256: e1fee1e9980531f5bf95a9e037bc2b5c99f0034fcf2b3d0d9446b8196005e556
font_01_sfnt_off000128d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x128D5 12080 bytes
SHA-256: 48679fe5cc8b81667dce21980d478d0904f85f2557223fb475784af827dd0d72

Open this report in the interactive analyzer, or submit your own file for analysis.