Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe20cddc4d2c694d…

MALICIOUS

PDF

68.8 KB Created: 2021-03-01 16:05:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: ba3dbf31bdfdc9d4122a18ac89df769b SHA-1: 6afee12d1d5b5d4a1ce24a22db7004730a25104e SHA-256: fe20cddc4d2c694d115c013fae2b337ade2105f9eb1c918255a4cf98ed69fd8a
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://gimoguvi.ru/award?keyword=information+technology+specialist+1+range+c PDF link annotation
    • https://cdn.sqhk.co/toromerepowa/gchj8Dd/drift_legends_real_car_racing_apk.pdfIn PDF document text
    • https://kiwosadil.weebly.com/uploads/1/3/5/3/135384828/4114735.pdfIn PDF document text
    • https://cdn.sqhk.co/rusobotakox/gDgieww/find_my_device_android_app_for_iphone.pdfIn PDF document text
    • https://dupukixulin.weebly.com/uploads/1/3/2/6/132681516/lajivadaratu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449769/normal_5ff0253f9a2e9.pdfIn PDF document text
    • http://limelusefi.iblogger.org/mentalism_tricks_mind_reading.pdfIn PDF document text
    • https://kigolakelo.weebly.com/uploads/1/3/1/3/131380934/0051fc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487905/normal_601e772569668.pdfIn PDF document text
    • https://cdn.sqhk.co/jutigurotow/gc1Ija4/risomanuvokun.pdfIn PDF document text
    • https://wimelavejitovuv.weebly.com/uploads/1/3/4/5/134597731/c726f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4423699/normal_5fe42f30a74bb.pdfIn PDF document text
    • https://jimekomu.weebly.com/uploads/1/3/1/4/131453536/selerutanodagimap.pdfIn PDF document text
    • https://cdn.sqhk.co/mudinaxape/hr5jjgc/37699367100.pdfIn PDF document text
    • http://lixuzixewufixib.66ghz.com/burt_bacharach_white_house_performances.pdfIn PDF document text
    • https://cdn.sqhk.co/ravusigi/BjecUAt/dugadug.pdfIn PDF document text
    • https://cdn.sqhk.co/vabalogu/ghgQwGv/at_t_visual_voicemail_stopped_working.pdfIn PDF document text
    • https://cdn.sqhk.co/tipefimex/cggQOhJ/rotator_cuff_injury_examination.pdfIn PDF document text
    • https://cdn.sqhk.co/potiribuwuf/gjidCid/destruction_tuber_simulator_apk.pdfIn PDF document text
    • https://dadojunolibete.weebly.com/uploads/1/3/2/6/132683289/3784592.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446649/normal_60067eaf42c17.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://ludoxijijux.rf.gd/luwalaxulije.pdfIn PDF document text
    • http://rovikejovejoto.rf.gd/36086645023.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_off0000cf13.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF13 5520 bytes
SHA-256: 569642706244f23f5f8442a8d2f75214c4e2614225232f09bb7f8a3110b5bd81
font_01_sfnt_off0000e1bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1BD 10436 bytes
SHA-256: 2e31da8a9a2a3960072f24e9fed587904feb762a105c9c4d8edc066ffd05e0ef

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