Malicious PDF — malware analysis report

Static analysis result for SHA-256 9967c08d5319d397…

MALICIOUS

PDF

69.5 KB Created: 2021-03-25 04:17:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 03bbe204bfe70b8fe1e4d467813ff1b4 SHA-1: dca58e62f07c5ce507ecaf4ebdc5037643a7a604 SHA-256: 9967c08d5319d39759f2b8d61df73ed22f3a9471c42f23cdf5315fed1ba239aa
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://baarspo.ru/aws?utm_term=how+much+oil+does+a+snowblower+use PDF link annotation
    • http://mmamba.ru/poulan_pro_50cc_pp5020av_manualbl1hx.pdfIn PDF document text
    • http://jekenufakewe.mypressonline.com/the_making_of_the_west_4th_edition_volume_1.pdfIn PDF document text
    • http://idem-peshkom.ru/ccna_voice_sybexd9x8j.pdfIn PDF document text
    • http://kernig.store/schlage_encode_smart_wifi_keyless_entry_deadbolt_locklrrme.pdfIn PDF document text
    • http://cashfree.store/munich_2005_full_moviegjxbn.pdfIn PDF document text
    • http://tonukavugu.mygamesonline.org/88871521940.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4445555/normal_600d1279c1ade.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4469626/normal_5fdffd66e7ca0.pdfIn PDF document text
    • https://cdn.sqhk.co/rifibimilo/7bjjghj/review_holika_holika_sheet_mask_pearl.pdfIn PDF document text
    • http://talajudoxuxip.mygamesonline.org/91831264873.pdfIn PDF document text
    • https://cdn.sqhk.co/wirowanorax/RgejhDu/hocus_pocus_witches_brew_shirt.pdfIn PDF document text
    • http://effektzhizni.ru/badagevakehisx.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bezorito/tapimarerirogakezifu.pdfIn PDF document text
    • https://s3.amazonaws.com/purawuma/acido_bromhidrico_ecuacion_de_formacion.pdfIn PDF document text
    • https://s3.amazonaws.com/zoromexemuzid/wusoxigapenonopuremagofi.pdfIn PDF document text
    • https://s3.amazonaws.com/belopudevuzuza/bobunuzofolozoj.pdfIn PDF document text
    • https://s3.amazonaws.com/tajimipojimo/xikadijibud.pdfIn PDF document text
    • https://s3.amazonaws.com/difigomisosak/77370845820.pdfIn PDF document text
    • https://s3.amazonaws.com/fakuguvil/fiduwaden.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_off0000d4ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD4BA 5372 bytes
SHA-256: 7de81742dc75510bfcfed8c0f1bdb3b9685b0b3ff92c0bb3110a32e0673dd5fa
font_01_sfnt_off0000e6de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6DE 10008 bytes
SHA-256: c7e4f5eaec6f51d3f4f1707b0b83c85d7f6a54d3a4bcdc4e820037dbb4988663

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