Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5e1e5a93bcec7ff…

MALICIOUS

PDF

68.2 KB Created: 2020-08-08 21:38:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 633c8f2e073d6154c0a239148306dcbc SHA-1: 86395de59840ba5824843c3f6e0edec9b1d687b9 SHA-256: d5e1e5a93bcec7ffc712ee47ceb7a6c9091af9796f53ebfc4b51cb683fd4a59b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary malicious URL identified is 'https://ttraff.cc/pify?keyword=chemistry+of+industrial+raw+materials+pdf'. This suggests the document is designed to redirect users to malicious content, likely for phishing or malware distribution. The presence of a large number of external PDF links also points to a link farm or SEO poisoning tactic.

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://ttraff.cc/pify?keyword=chemistry+of+industrial+raw+materials+pdf In PDF document text
    • http://files.atlantapavingsolutions.com/uploads/1/3/1/4/131409794/8236030.pdfIn PDF document text
    • http://files.columbiaclefhangers.com/uploads/1/3/0/7/130776518/lebipopikapive.pdfIn PDF document text
    • http://files.macombbattingcages.com/uploads/1/3/0/7/130776875/918238.pdfIn PDF document text
    • http://files.ccbreland.com/uploads/1/3/0/7/130739383/nufolifijavuten-juxenom-vawatob-xotevog.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8357326041.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1613/4562/files/fabuko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7074967355.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9879/1322/files/pevawimukapubib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4781/3269/files/31429496986.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7646/0448/files/wibekevufaduxavulupunetek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7278/1478/files/cae_exam_papers_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3265/8588/files/zowodeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6391/8246/files/76794546227.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5841/1160/files/baby_boy_names_in_tamil_font.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6088/7705/files/lupitujulalomaroxanufag.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b301.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB301 5380 bytes
SHA-256: 2f9621a9b880049bf795b019e9f3192a3440bcaa11ae70aacb0080bb38cfe0a4
font_01_sfnt_off0000c539.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC539 15516 bytes
SHA-256: a4d36c97ada3aa35ed6204f3bfa5bafc9bb872a4a3043177a12add17bcb1512b
font_02_sfnt_off0000f55d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF55D 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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