Malicious PDF — malware analysis report

Static analysis result for SHA-256 07bbc3db96087e83…

MALICIOUS

PDF

46.6 KB Created: 2020-08-25 00:22:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 66c1fa3a2fbe6dab727225836a58f981 SHA-1: d879484d206ee307148dc022beee96e0ec5c3cb4 SHA-256: 07bbc3db96087e83b2457c70890e29e54ef4e9cd77b310381a8e61fd55b613ab
182 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one critical heuristic identifying a link to a known malicious redirector infrastructure at `https://ttraff.ru/pify?keyword=avast++windows+7`. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to trick users into visiting potentially harmful sites. The presence of a callback phishing lure heuristic further supports the malicious intent of the document.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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.ru/pify?keyword=avast++windows+7 In PDF document text
    • http://bobifabo.rayoflightwitness.com/uploads/1/3/1/4/131407406/getelatonak_jamutimaxakepu.pdfIn PDF document text
    • http://files.misfitspolitics.com/uploads/1/3/0/7/130739060/wilew.pdfIn PDF document text
    • http://lovul.lotusranch-homes.com/uploads/1/3/1/4/131454215/savupuvesun-jorunazan-muwamanija.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/1/0439/3736/6174/files/wufowajadagibovome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4322/5751/files/57722293675.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3127/3383/files/the_umbrella_academy_imdb_parents_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5474/3200/files/tusuzujoxezit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81667611697.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0465/5788/8662/files/68190893610.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9182/0711/files/beyond_burger_nutritional_information.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2885/7503/files/les_accords_de_guitare_acoustique.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6438/4927/files/zopinave.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2398/3015/files/9547903349.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9900/4831/files/gukijuza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9133/6099/files/81982079194.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_off00007896.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7896 4912 bytes
SHA-256: 648ae8fab4ec26b4804627f2ee2931850735fa8f1ac88de7cb6c047d1024a828
font_01_sfnt_off00008976.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8976 10704 bytes
SHA-256: 915c268653a51f435a23a5e33300bdbeebe7c20fef4e404b48b12432043c1f96

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