Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e1f9e208ef1a62e…

MALICIOUS

PDF

80.1 KB Created: 2021-03-01 06:34:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 30b681b57bb68dc0876a356663501b74 SHA-1: 502c27551557bdcb4ba00ad9b633c68b1a1af458 SHA-256: 6e1f9e208ef1a62ea0c7e057a867412ebd9ee980b48399b08155a2ff08a6af7b
176 Risk Score

Malware Insights

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

The heuristics indicate this PDF is a lure for an advance-fee scam or a payment redirection scheme, aiming to trick users into revealing financial information. The presence of external URIs suggests it may attempt to redirect users to malicious sites or download further payloads. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are strong indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • 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://ponafet.ru/123?utm_term=maytag+washer+dryer+repair+manual
    • https://cdn-cms.f-static.net/uploads/4449014/normal_600a4ca8b9211.pdf
    • https://static.s123-cdn-static.com/uploads/4416792/normal_5fc946fbab6e5.pdf
    • http://nidavisopuxabu.iblogger.org/24144508107.pdf
    • http://zememor.sportsontheweb.net/94344822652.pdf
    • https://cdn-cms.f-static.net/uploads/4453537/normal_60172f7be6b00.pdf
    • http://lebedugipul.mywebcommunity.org/the_whipping_boy_movie_trailer.pdf
    • http://cpatrump.com/degrees_of_comparison_worksheet_class_8o50bi.pdf
    • http://vvd.bar/sca_jump_starter_keeps_beeping3cns2.pdf
    • http://sks-expertiza.ru/business_plan_format_examplesrwipj.pdf
    • http://mebelintera.ru/252376282689mby0.pdf
    • http://espaceabonne.com/dimalevupajotunajutuzetamc3u.pdf
    • http://phillipen.online/customer_service_job_description_samplez7p80.pdf
    • https://cdn-cms.f-static.net/uploads/4373983/normal_602310a256f45.pdf
    • http://xibawolafubiz.getenjoyment.net/21442059449.pdf
    • https://cdn-cms.f-static.net/uploads/4403121/normal_603c55249c3b0.pdf
    • http://vuwimoxit.mygamesonline.org/lobav.pdf
    • http://beririka.scienceontheweb.net/hpi_savage_25_parts_list.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fedorahosted.org/lohit
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e1b7.bin
cc44879d98335dfbe6be02d4290731e59798c63d8a90d6bafd684ba1ec96faba		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE1B7 5572 bytes
font_01_sfnt_off0000f4a6.bin
c3eceacf5af7f904ab7c52da67f79b9fffb95f92555c2ed0f44f575225ec5339		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF4A6 10180 bytes
font_02_sfnt_off000117cc.bin
a22d7ffecb6f5341951809a3992120cc6bb3c5ee60524335cb91ed741440f612		 pdf-font-stream PDF embedded font (sfnt) at offset 0x117CC 8248 bytes

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