Malicious PDF — malware analysis report

Static analysis result for SHA-256 018d84312d351111…

MALICIOUS

PDF

69.0 KB Created: 2020-11-28 15:50:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-07
MD5: 45202a114454c23f5d77e1715f3d869d SHA-1: 6b9a534f5ac05d4d54d6da473d3538d2d105c702 SHA-256: 018d84312d35111149ae3fd63aa93d15ed7cb7d45c1a5f69ac83035f02de035f
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://cctraff.ru/wb?keyword=beedi%20jalaile%20full%20video%20song In PDF document text
    • https://sokazavuse.weebly.com/uploads/1/3/1/3/131378988/teniduzipadit-gimusumux-lusoti.pdfIn PDF document text
    • https://s3.amazonaws.com/sazixipame/constitutional_law_2_outline.pdfIn PDF document text
    • https://sitawixabebel.weebly.com/uploads/1/3/4/3/134319036/mezoxavakogonudojo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450037/normal_5fba428298604.pdfIn PDF document text
    • https://gekeforoka.weebly.com/uploads/1/3/1/4/131438206/e65d3e9ce1ea2cf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382430/normal_5f91ab9c79c59.pdfIn PDF document text
    • https://s3.amazonaws.com/dukavunivifa/n_r_e_p_ka_full_form.pdfIn PDF document text
    • https://xexovelez.weebly.com/uploads/1/3/0/8/130813416/gubozisifin.pdfIn PDF document text
    • https://sasogobol.weebly.com/uploads/1/3/4/3/134387633/bab3b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385202/normal_5fa2fc1ebb09e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501046/normal_5fb288c6af870.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000c1e5.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000c1e5.bin)
    • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000f931.bin)
    • 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 extracted file (font_00_sfnt_off0000c1e5.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c1e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC1E5 4968 bytes
SHA-256: cfbea005417c79e33dbdb17e576a84f8f34018f6870288eb085663a20b464220
font_01_sfnt_off0000d2df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2DF 11424 bytes
SHA-256: 60ac43aa2e89376576a0eed3775c42c4386a150f3eca07eb7005b69b1c5bba53
font_02_sfnt_off0000f931.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF931 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3