Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ef09d73e7f608bb…

MALICIOUS

PDF

43.1 KB Created: 2020-08-24 20:52:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 31b2b738d3360227015df7ea3435c951 SHA-1: 83349e6cf5395ec38b60f3d9a7a95c158af4a736 SHA-256: 0ef09d73e7f608bb5130b1dc7ce80878ac3cd73ec2474a02611bb26c0e74a374
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, many pointing to a redirector service that is flagged as malicious. The document body text, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=radio+alarm+clock+android+tv', which is also flagged as a malicious redirector. This suggests a phishing or scam attempt using a link farm to distribute malicious content.

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=radio+alarm+clock+android+tv In PDF document text
    • http://lebew.gusconstantine.com/uploads/1/3/2/8/132814930/9ac354572c.pdfIn PDF document text
    • http://gapoto.redwood4h.org/uploads/1/3/0/9/130969525/nanuva_xofol_zurobuxelupete_jodidabitito.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/1/0431/4926/3004/files/55017277581.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2063/1720/files/lokefetawepakotovuwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7973/6223/files/25914251908.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0993/1426/files/wamuvuti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/8106/8697/files/identifying_sensory_language_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5672/6170/files/analysis_of_conducting_polymers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2654/4802/files/dead_eye_warframe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1341/2760/files/jusoxulevawikafadutapuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3728/5797/files/total_war_rome_2_trainer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3564/8409/files/abrasive_jet_machining.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_off00005e80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E80 4708 bytes
SHA-256: a2e2e1878c4d6ca35e24d13fd9802ab7fa11cb0da6eb1f25e7f662be6ada17e5
font_01_sfnt_off00006e5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E5B 10312 bytes
SHA-256: f93ec073cc0d5e71c86c2d5cccff47a41801357aa257b22534d5b91d53952496
font_02_sfnt_off00009194.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9194 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

Open this report in the interactive analyzer, or submit your own file for analysis.