Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a69da71ba41cce9…

MALICIOUS

PDF

107.4 KB Created: 2021-04-01 06:32:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: a1300c0c7dfb970f575a12384640e45f SHA-1: c5e9ea9763a93d4dc0f769ea1526b001e4a9b694 SHA-256: 7a69da71ba41cce956c31d6656c68b3e21621397e0ecd9c82f73266b1dfe14c9
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6686

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://kuzutuzo.ru/wix?keyword=iu+12+24 PDF link annotation
    • https://japapetokanov.weebly.com/uploads/1/3/1/4/131454126/3592330.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418379/normal_60372f29758bd.pdfIn PDF document text
    • http://zodatowafe.getenjoyment.net/lg_bluetooth_headphones_aptx.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419198/normal_5fe82c4f07e1f.pdfIn PDF document text
    • https://wesatelifap.weebly.com/uploads/1/3/1/8/131871597/e8ff08121.pdfIn PDF document text
    • https://pekumovulimezel.weebly.com/uploads/1/3/4/3/134363026/sevibikolitumuk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490369/normal_60380207e89b6.pdfIn PDF document text
    • https://katopogovalasa.weebly.com/uploads/1/3/5/4/135401177/debadasigux.pdfIn PDF document text
    • https://xomupufemi.weebly.com/uploads/1/3/4/3/134322732/1081025.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495973/normal_604ccc760c162.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489263/normal_6001132478155.pdfIn PDF document text
    • https://newakikijako.weebly.com/uploads/1/3/4/3/134351088/426836f67147b8.pdfIn PDF document text
    • http://zotowivivakav.rf.gd/raninujowugibofonuf.pdfIn PDF document text
    • https://s3.amazonaws.com/siwixomudit/zuwitetowosaketudivod.pdfIn PDF document text
    • https://s3.amazonaws.com/tugabijenovili/bemum.pdfIn PDF document text
    • https://s3.amazonaws.com/kexamoxusinixu/20060498780.pdfIn PDF document text
    • http://mepojijolotezud.rf.gd/how_to_sanitize_dr._browns_baby_bottles.pdfIn PDF document text
    • https://s3.amazonaws.com/tarizirefevifab/41780586555.pdfIn PDF document text
    • http://duziroro.myartsonline.com/animals_names_list.pdfIn PDF document text
    • https://s3.amazonaws.com/jizubisetebof/net_speed_test_apkpure.pdfIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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