Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2fc63b729068221…

MALICIOUS

PDF

42.4 KB Created: 2020-08-21 05:39:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0f4cfc0e306e39d82b5492334a740a6a SHA-1: e8ed3a42a127db4ecbe94b4a5af69f201b29ca61 SHA-256: d2fc63b729068221295e9abcefbccc8e20cd81a44638b370fa83eec40cfd9caa
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources. One critical heuristic identifies a link to a known malicious redirector, specifically 'ttraff.cc', which is used in conjunction with a keyword related to medication. The document body, though heavily obfuscated, contains the same redirector URL. This suggests the primary purpose is to direct users to malicious sites, likely for phishing or to serve further malicious content.

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.
  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=metformin+1000+mg+brand+name In PDF document text
    • http://files.lmccpa.net/uploads/1/3/1/4/131452989/xexonunuzowage.pdfIn PDF document text
    • http://dovod.homesonregina.com/uploads/1/3/1/4/131483281/kixatalera.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/1/0432/1175/1579/files/dovag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5283/3695/files/19185489881.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8286/6083/files/1993804163.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0611/6511/files/anything_but_typical_full_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2147/4714/files/division_worksheet_for_4th_graders.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9622/0572/files/68318694784.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lomapatigusobotatijizu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2729/2582/files/fejidetebikafagepipeto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1470/9663/files/fusuluvavoguje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gevuruliwineda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1692/0996/files/on_the_prowl_patricia_briggs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0334/7097/files/58613368962.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 2

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_off000065c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65C8 5356 bytes
SHA-256: 0874ac33620a190a39df042b69c730e866743faaf51d59f8c2715aa72f4411ce
font_01_sfnt_off000077f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77F0 10340 bytes
SHA-256: 8d0f75fd1690ec887d9fa6e9fd80941c0b79c8e1d7e05d3e99322fb243c4716d

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