Malicious PDF — malware analysis report

Static analysis result for SHA-256 701e9d5f0592193f…

MALICIOUS

PDF

76.3 KB Created: 2021-03-03 17:48:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: eaad6967412bffd2f89e523b10ee7f33 SHA-1: 64e9933f6d1fe0719fa97dc8cec99279cd64979c SHA-256: 701e9d5f0592193f1ab2a33ff2364ee76a54260230f5912c6986347c8ff1ef01
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://golowaki.ru/award?keyword=how+to+build+your+own+vegetable+garden PDF link annotation
    • https://cdn.sqhk.co/daxegajok/iggheF0/penuwedonibamanikafe.pdfIn PDF document text
    • https://cdn.sqhk.co/guvelebul/Te9ghgg/momifemivisufupagisek.pdfIn PDF document text
    • https://cdn.sqhk.co/tamejenonisi/chd8q8H/13593828892.pdfIn PDF document text
    • https://jevezorubik.weebly.com/uploads/1/3/4/8/134864628/5134600.pdfIn PDF document text
    • http://vetebozo.mypressonline.com/sebujovirolanibajuj.pdfIn PDF document text
    • http://siwosupegejolop.medianewsonline.com/77703230810.pdfIn PDF document text
    • https://cdn.sqhk.co/joxomawezu/ij3gerP/compound_elements_of_carbohydrates.pdfIn PDF document text
    • http://xusakarezexalu.iblogger.org/attack_on_titan_tactics_apk_mod.pdfIn PDF document text
    • https://sonujeti.weebly.com/uploads/1/3/0/9/130969686/xomuk-vuwoduzo-sarabusidut-dimet.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369516/normal_601ca600c7f9e.pdfIn PDF document text
    • https://cdn.sqhk.co/fuxiwimemo/Kjbjeif/20882678728.pdfIn PDF document text
    • https://vufagejibuto.weebly.com/uploads/1/3/1/4/131483336/xazejosukizi-xazefu.pdfIn PDF document text
    • https://cdn.sqhk.co/vezukefuza/bidVQic/party_city_locations_baltimore_md.pdfIn PDF document text
    • https://cdn.sqhk.co/rifarako/gciiifY/power_music_video.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bunigerada.rf.gd/vexutuvepalage.pdfIn PDF document text
    • http://fexewagesulel.epizy.com/autonics_catalogo.pdfIn PDF document text
    • http://tejujusaruke.epizy.com/aihmct_application_form.pdfIn PDF document text
    • http://gutekuretejapoj.onlinewebshop.net/shoreline_community_college_calendar_2019.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_off0000eec7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEC7 5168 bytes
SHA-256: e619c9f9ca225718f3f3cdff83acfcb6e0e0cf4ed62bc3ac5753b8dca8dc8e23
font_01_sfnt_off00010085.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10085 10428 bytes
SHA-256: 0292fd31d041a395705535cc4b474e9654d0ec380844499b8e1646625f8d1e11

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