Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a9f0aa54e6ea6ba…

MALICIOUS

PDF

63.2 KB Created: 2021-05-23 22:26:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 4d847fb3dc5ac6da888f2904794332ed SHA-1: acd1c691f1d2aa2542645b2a73fe5211af6f607d SHA-256: 7a9f0aa54e6ea6ba6006f7962921b29a8dc7c7efb84f5041553865696b6e90c2
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 0.7116

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
  • 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://druttle.ru/strik?utm_term=the+sixties+the+space+race+worksheet+answers PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4465387/normal_5fd94697cd296.pdfIn PDF document text
    • https://ruvawuwejijexut.weebly.com/uploads/1/3/0/8/130814193/f7fb252d.pdfIn PDF document text
    • https://wilewefat.weebly.com/uploads/1/3/4/2/134234777/vazumur.pdfIn PDF document text
    • https://welogodeketi.weebly.com/uploads/1/3/5/3/135326703/3576638.pdfIn PDF document text
    • https://bafonalilazuxi.weebly.com/uploads/1/3/4/7/134731076/3248088.pdfIn PDF document text
    • https://weziriditovi.weebly.com/uploads/1/3/4/1/134108838/6515634.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408319/normal_6047d5210b9d3.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6303b68f-a102-4bfa-a839-1bf4dc08595f/nisuk.pdfIn PDF document text
    • https://s3.amazonaws.com/wulotugadag/yuntab_tablet_e706.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4bed7917-d139-42b3-9f29-845181ff7fd8/97954366776.pdfIn PDF document text
    • https://s3.amazonaws.com/xilasisefi/risuvakibugufake.pdfIn PDF document text
    • https://s3.amazonaws.com/rizijubovapuk/elder_scrolls_1_arena_remake.pdfIn PDF document text
    • https://s3.amazonaws.com/kokesatodixon/bharatanatyam_tamil_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b6fd8d45-2bc7-4955-9c44-b4307182a846/side_by_side_1000_honda.pdfIn PDF document text
    • https://s3.amazonaws.com/wemazun/mudud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f3be9af-1ca1-4bc7-a629-64808655a299/how_to_set_clock_on_westinghouse_oven_616.pdfIn PDF document text
    • https://s3.amazonaws.com/bejideba/lujimonukodo.pdfIn PDF document text
    • https://s3.amazonaws.com/muwomapotumugi/act_prep_black_book_second_edition.pdfIn PDF document text
    • https://s3.amazonaws.com/vebisop/pedazomozu.pdfIn PDF document text

Related samples 8

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