Malicious PDF — malware analysis report

Static analysis result for SHA-256 d214991918e0feac…

MALICIOUS

PDF

70.5 KB Created: 2021-03-08 18:57:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: e10c040f2fde1fb9be3bb0ac7e3081c9 SHA-1: 543c73e7a13289ab37a07c3476ebbb9ae5bce756 SHA-256: d214991918e0feac5c3a8431970b4560ba285a30247eb86b61187772f74740f4
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://druttle.ru/award?keyword=calendario+de+siembra+argentina+2020+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4412403/normal_6021d5ac74b64.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449615/normal_5fd3cf8494f2e.pdfIn PDF document text
    • http://lupazul.mywebcommunity.org/fupefitosazesulupedo.pdfIn PDF document text
    • http://my-favshopc.online/timex_indiglo_night_light_alarm_clock_instructions_t436b4qpya.pdfIn PDF document text
    • http://successinyourlif.website/sketchup_free_protractorvl8l2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486772/normal_6040bacb8f73d.pdfIn PDF document text
    • http://bestgirl69.com/standard_proctor_compaction_test_lab_reportff4px.pdfIn PDF document text
    • http://choosemadam.site/tiwokobokokari1g1e4.pdfIn PDF document text
    • http://paxezot.getenjoyment.net/34837539021.pdfIn PDF document text
    • http://medyahanem.com/69448039964b7hii.pdfIn PDF document text
    • http://wijasagasipode.getenjoyment.net/gekigugenuwuwavufuxa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://7404da97-7fcf-4d5f-9d5f-3f8644e6773a.filesusr.com/ugd/35f767_6c97b9b1a9944bc98dd16abb10c93297.pdf?index=trueIn PDF document text
    • https://dc6b22d1-fd3c-476a-b8f1-b0505981f591.filesusr.com/ugd/ab5adf_271cc319bda04942ab0c6183c488218f.pdf?index=trueIn PDF document text
    • http://kajalefaruw.epizy.com/lagu_free_fire_salam_booyah.pdfIn PDF document text
    • https://b6e49935-6d58-4bde-831f-6e0b746776d3.filesusr.com/ugd/7d321f_1d4ce0ec4d1b454f95769b1fa683877d.pdf?index=trueIn PDF document text
    • https://a519209a-2b0a-481f-9fe9-460c873bdc80.filesusr.com/ugd/270e53_2f681b5354d646bb9f2ff1214e7efbfd.pdf?index=trueIn PDF document text
    • https://c3a7a64c-5591-430b-94d7-c2eadfdf3523.filesusr.com/ugd/966478_ea63cec5df8f4e5d9f7bb3955d149151.pdf?index=trueIn PDF document text
    • https://3c4962d9-41f7-4f14-8396-dad57cc8de20.filesusr.com/ugd/a2de88_cb7c024bac104ab79585fc8ea1bc5c28.pdf?index=trueIn PDF document text
    • https://d0bf7e8b-5449-41c0-93e9-161603c0719f.filesusr.com/ugd/197ed4_77125eaa12c84cf1baab0a0d03811bdf.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.

FilenameKindSourceSize
font_00_sfnt_off0000d440.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD440 5680 bytes
SHA-256: 6d4b839d8b66bb2a42e68e61815fa2060f8c83a0112de984c85ac968aaf8d689
font_01_sfnt_off0000e770.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE770 11416 bytes
SHA-256: 5e3c9d3caa394aea828439daefcf5bda4a5bd2e81bb0e435bd0f4eb350dfb1b5

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