Malicious PDF — malware analysis report

Static analysis result for SHA-256 77d254d4aab721c8…

MALICIOUS

PDF

50.1 KB Created: 2020-08-09 06:07:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f957dd7785da218a7d079fa3cad898ef SHA-1: 25de8204692f33904195eb315e4d8d6fcc7de1ea SHA-256: 77d254d4aab721c8ea5bd5a55385f16621f5288041196bcc3d0887d87b6a2e10
194 Risk Score

Malware Insights

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

The PDF contains numerous links to SEO-optimized content, many of which redirect to a malicious domain (ttraff.com) identified as a redirector. The document body and embedded links suggest a lure for downloading software, likely malicious, under the guise of a "PDF to word converter". The ML classifier strongly indicates maliciousness.

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=pdf+to+word+converter+offline+free+download+for+windows+8 In PDF document text
    • http://retukule.abstractdreamdesigns.com/uploads/1/3/0/9/130969723/sevizofumedogokoza.pdfIn PDF document text
    • http://files.visualsofjessicasolis.com/uploads/1/3/1/4/131437573/6a8e52b5417.pdfIn PDF document text
    • http://files.yaldocargo.com/uploads/1/3/1/8/131856160/losizukes.pdfIn PDF document text
    • http://files.jollygeographer.com/uploads/1/3/0/8/130874046/jovotelolov.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/1/0448/4648/1570/files/sociological_and_anthropological_foundation_of_education.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/fogefagunofobibu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jepomosojavadoji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0812/2270/files/dulifeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9097/5647/files/79891854473.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5942/0063/files/kalogatusiwu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9603/9833/files/21426772247.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9423/7589/files/fidejodalepumaxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1734/6965/files/57540534576.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5598/8374/files/mepikuje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9568/7328/files/runescape_cooking_calculator.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7612/2779/files/bodybuilding_training_manual.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 6

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_off00007894.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7894 5152 bytes
SHA-256: ed58e8cd9869575d0da4211a99349c41042d1fec60eec514c6d7a8d818b9cd90
font_01_sfnt_off00008a2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A2B 9940 bytes
SHA-256: 71aa913f00626dd733056fbe46834a2713eb31f3c4d06684805d4fd2ca94f9b3
font_02_sfnt_off0000ac30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAC30 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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