Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f77effdba3983e5…

MALICIOUS

PDF

54.7 KB Created: 2020-08-10 04:42:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f153bab0580311908cedda037da63f24 SHA-1: f1cefa8ce48f584f347315f6c6316ed9d45e90e6 SHA-256: 0f77effdba3983e5935e748928d57b313d83d3b5970eb365c3fb54b8a8fa3420
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, many of which point to redirector infrastructure. The primary redirector URL is 'https://ttraff.com/pify?keyword=ecological+modernization+theory+pdf', which is flagged as malicious. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious sites, likely for phishing or malware distribution.

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.com/pify?keyword=ecological+modernization+theory+pdf In PDF document text
    • http://files.melindahetzel.com/uploads/1/3/2/3/132303077/vidaderevi-rozotegineve-wediniruki-nitirosuru.pdfIn PDF document text
    • http://files.priestessbling.com/uploads/1/3/0/8/130814340/3914470.pdfIn PDF document text
    • http://files.iwfgeorgia.org/uploads/1/3/1/4/131455883/dofez.pdfIn PDF document text
    • http://files.interwovenproductions.jojospinks.com/uploads/1/3/2/8/132814465/9014109.pdfIn PDF document text
    • http://files.strivetothrivewellness.com/uploads/1/3/1/4/131438313/99d9e0.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/1/0438/5452/8677/files/kodo_skin_scroll.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4026/8711/files/76029145068.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2937/2821/files/69997158181.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3846/6460/files/game_theory_economics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6880/1702/files/center_absolute_div.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/70354855800.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7143/1065/files/puluda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3078/8758/files/94358728235.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8406/3654/files/technical_analysis_explained_fifth_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3754/1031/files/sevemizazodi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0615/6190/files/konica_minolta_bizhub_c458_brochure.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6341/8784/files/tupefe.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_off000097b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97B8 5500 bytes
SHA-256: 3286953d666c088202370cc157f2e37dc3d061454abf8324ac05ed5e27cee876
font_01_sfnt_off0000aa59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA59 10272 bytes
SHA-256: 9931281b34f8324e6ff9ae351f607f1c0b8c05a3e170b606e5504323369c7822

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