Malicious PDF — malware analysis report

Static analysis result for SHA-256 6cca256f934c4e99…

MALICIOUS

PDF

42.1 KB Created: 2021-03-21 04:12:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: d30ae47b21967d70750748668bc967dc SHA-1: 54810f1d7686452b149c4b64be0c1c3b80aad919 SHA-256: 6cca256f934c4e99a6ad8099a2d1e94bc1f974012c0fcc7eceea9d2bf2cb77a0
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

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 and uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6884

Heuristics 5

  • 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 42 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://baarspo.ru/award?keyword=sixth+grade+math+worksheets+pdf PDF link annotation
    • http://marketeuro.pro/gapejioyll9.pdfIn PDF document text
    • http://drnextact.xyz/rugedodinows6ikv.pdfIn PDF document text
    • http://devgame.design/fopafufigogogefuvqyf1k.pdfIn PDF document text
    • https://vipegiwofavagob.weebly.com/uploads/1/3/5/3/135302795/f12ef0.pdfIn PDF document text
    • http://siviveko.getenjoyment.net/pelebu.pdfIn PDF document text
    • http://kitafoged.medianewsonline.com/song_to_remember_mean_median_mode_and_range.pdfIn PDF document text
    • https://rarerosedipise.weebly.com/uploads/1/3/4/8/134876587/soruluv.pdfIn PDF document text
    • http://instgrmmverifiedbadge.com/12712427197ys9ok.pdfIn PDF document text
    • http://replyua.site/61262038016qns09.pdfIn PDF document text
    • https://buliduxefexefux.weebly.com/uploads/1/3/1/6/131636978/5848211.pdfIn PDF document text
    • http://tameeniraq.com/how_to_set_the_time_on_adidas_digital_watchx4ra2.pdfIn PDF document text
    • http://homearfes.com/damunevudofevarulawatejuxchbs.pdfIn PDF document text
    • https://fewebiporunivag.weebly.com/uploads/1/3/0/7/130775920/vebizewawexex.pdfIn PDF document text
    • https://s3.amazonaws.com/baposivarabuj/86014918059.pdfIn PDF document text
    • https://s3.amazonaws.com/zarusegibitumet/benibotunepeba.pdfIn PDF document text
    • https://s3.amazonaws.com/tawosutosuxi/34190742563.pdfIn PDF document text
    • http://dasobiviwadodaj.atwebpages.com/3059223296.pdfIn PDF document text
    • http://wiwosotu.myartsonline.com/puxebuxafinarom.pdfIn PDF document text
    • https://s3.amazonaws.com/feliso/zibubaz.pdfIn PDF document text
    • http://vubuzixefixa.onlinewebshop.net/74821234562.pdfIn PDF document text
    • https://s3.amazonaws.com/tarizirefevifab/75312642708.pdfIn PDF document text
    • https://s3.amazonaws.com/lemerisinivum/56896297424.pdfIn PDF document text
    • https://s3.amazonaws.com/xufujofaleki/50345385367.pdfIn PDF document text
    • https://s3.amazonaws.com/tixedujegibex/zagetigojazaragorusonoj.pdfIn PDF document text
    • https://s3.amazonaws.com/lupebesu/61009567839.pdfIn PDF document text

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