Malicious PDF — malware analysis report

Static analysis result for SHA-256 bac17cce00b2efb1…

MALICIOUS

PDF

54.1 KB Created: 2020-10-09 16:52:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 559189d1e6927732415df4b75e72518f SHA-1: 57aa5280d8d12c7995ea0ff7f9b464ffc962b7b6 SHA-256: bac17cce00b2efb1c071bc4c0aae579eb5806d6d63ab56030c8a2b86d51de744
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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 lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://ggtraff.ru/strik?keyword=a+man+a+can+a+plan+pdf In PDF document text
    • http://files.mundeleincommunityconnection.org/uploads/1/3/2/6/132695701/c5045e.pdfIn PDF document text
    • http://files.hhslibrary.org/uploads/1/3/0/7/130739472/f4b86bcd7865.pdfIn PDF document text
    • http://likobiluw.bergmanlandscaping.net/uploads/1/3/0/7/130739723/1089360.pdfIn PDF document text
    • http://files.chicagotoeflschool.com/uploads/1/3/1/8/131856987/e5aff3d2387.pdfIn PDF document text
    • http://files.dockside-engraving.com/uploads/1/3/0/7/130739443/57f61ad.pdfIn PDF document text
    • http://musidujan.fredrikforslind.com/uploads/1/3/2/3/132303108/a6c3e5326c.pdfIn PDF document text
    • http://files.rlasfab.com/uploads/1/3/2/6/132682994/118f7.pdfIn PDF document text
    • https://site-1037261.mozfiles.com/files/1037261/waxumeluzapugibepusuto.pdfIn PDF document text
    • https://site-1043119.mozfiles.com/files/1043119/33766143132.pdfIn PDF document text
    • https://site-1036725.mozfiles.com/files/1036725/22100342185.pdfIn PDF document text
    • https://site-1048288.mozfiles.com/files/1048288/kufinebizinaniruxupode.pdfIn PDF document text
    • https://site-1036725.mozfiles.com/files/1036725/kugilesafik.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/4732/1237/files/dai_sit_in_judgement_bug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8769/7822/files/royals_seating_chart_2018.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1896/7450/files/10199637405.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7111/8235/files/temelu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2992/1943/files/bissell_proheat_lift_off_user_guide.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000959a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x959A 5016 bytes
SHA-256: 9df77c5d0bdc8ccdb1473ea89e82e1cab6ee9864f2ed3e58921f79f4319911a4
font_01_sfnt_off0000a69d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA69D 10908 bytes
SHA-256: 08b51e0c684a23a0401d4cedd57f27ab7f00f6f06014cfc92bce202dd8fcc2da

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