Malicious PDF — malware analysis report

Static analysis result for SHA-256 a102e45315b9367b…

MALICIOUS

PDF

70.9 KB Created: 2021-05-03 01:24:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: d02aab3463826b8e9853e56bfbb38af5 SHA-1: e62f6eb73a90d533b51ea1f3ddd475d0a1a58e75 SHA-256: a102e45315b9367b39d6c878081155af86d42d237cca772a765c4191e94cb9aa
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

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 0.7937

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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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=bissell+spotbot+pet+deluxe+portable+carpet+cleaner PDF link annotation
    • http://prizinsta24.online/how_to_connect_dish_joey_to_tvck8l9.pdfIn PDF document text
    • http://manibupefif.mypressonline.com/zefagewudidip.pdfIn PDF document text
    • http://nadipewin.mywebcommunity.org/41787875791.pdfIn PDF document text
    • http://mezeferatitora.scienceontheweb.net/4847425737.pdfIn PDF document text
    • http://begdas.fun/movie_review_examples_middle_schoollpc9o.pdfIn PDF document text
    • http://instahelpforbusiness.com/c230_kompressor_repair_manualz2vlz.pdfIn PDF document text
    • http://pay-order.info/59680325559yksx6.pdfIn PDF document text
    • http://bugilinupapud.mygamesonline.org/jotulezoduxazedif.pdfIn PDF document text
    • http://dosubodanes.mypressonline.com/zesigibape.pdfIn PDF document text
    • http://shoplus.info/dbms_stats.gather_table_stats_estimate_percent_dbms_stats.auto_sample_size8r919.pdfIn PDF document text
    • http://doxedisipi.scienceontheweb.net/22154497921.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/acfb1b83-8b0c-4364-8e3d-9d84ea3c7f9a/63370972606.pdfIn PDF document text
    • https://8a833fea-7c9a-4d2e-a5a7-d3590f42a3e5.filesusr.com/ugd/9aab09_ef8456ca9f7044dda1311c0055672a5e.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/bf400939-3cee-418e-abbc-b062ada0a87a/13972423777.pdfIn PDF document text
    • https://d4508431-0eee-4913-ac2a-2ec907ed9b18.filesusr.com/ugd/12daa7_08486edd0cf6455182f82cf495e2a00d.pdf?index=trueIn PDF document text
    • https://f3dbd103-cf2f-44fc-b0ad-c9004dc38af2.filesusr.com/ugd/1f2646_abeed4f560d04de8beadb5130f4395c0.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/cd929e7d-7f1d-4a10-bfea-bdaf13ae9595/can_i_learn_krav_maga_at_home.pdfIn PDF document text
    • http://punotonaduwize.atwebpages.com/94756046025.pdfIn PDF document text
    • https://8641c524-1fb5-4292-87ed-dd72f64d6c22.filesusr.com/ugd/9b7d8a_127914cb53f2430fb74fd17ac4bfd6b0.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/a50c8293-a7bf-4db3-acbb-8f0900d6988d/what_is_andrew_wommacks_salary.pdfIn PDF document text
    • https://801a9f91-e12c-4b3a-b535-42c3eaff61c8.filesusr.com/ugd/d237ef_3c42721114eb4218aa59dc29256815a8.pdf?index=trueIn PDF document text
    • https://caf0f927-206f-4b4e-aa34-0dd3da53679b.filesusr.com/ugd/83d902_92a41dc45cce4493b08e56c998ac5493.pdf?index=trueIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000109d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109D0 5208 bytes
SHA-256: c0c62cbfce3f27fb388a4490a6674138538b147431924ee620c9c6309c2e70ab

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