Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a79abb86736b44b…

MALICIOUS

PDF

41.4 KB Created: 2020-08-26 02:55:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 698dc07c5b9e81113b92e52a330067e6 SHA-1: 2b684ba6864e9b92de86d06dffc95fb17f88941a SHA-256: 1a79abb86736b44bcbf116ab108bd4c169ef0c0c56101730a44ddacc49eb6858
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains a heuristic firing indicating it links to known malicious redirector infrastructure, specifically `https://ttraff.com/pify?keyword=danielle+colby+nude+pictures`. The document body, though heavily obfuscated, also contains this URL and numerous other links to PDF files hosted on Shopify and other domains, suggesting a link farm or redirection scheme. The primary attack pattern involves luring the user to click the malicious link under the guise of adult 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.com/pify?keyword=danielle+colby+nude+pictures In PDF document text
    • http://files.bunkabiker.org/uploads/1/3/1/6/131637316/0cd941ab0ef2f.pdfIn PDF document text
    • http://mekonig.jonathansclassroom.com/uploads/1/3/0/8/130814328/bujezubobatidokit.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/1/0428/1014/6983/files/ranavukakiniwigevamame.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0358/3384/files/tutodadugidodedevigar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9958/4680/files/86990638145.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9934/0448/files/16163096461.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5486/5320/files/catering_management_4th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8774/9525/files/lijapidivew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0127/3760/files/baidu_browser_for_android_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8502/8775/files/tuxedarenebojud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8758/4677/files/278339728.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8865/0142/files/50375053130.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8209/4494/files/noxomunekevewo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8916/5478/files/5224777242.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7439/6063/files/52920182944.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 1

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_off000062f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62F7 5308 bytes
SHA-256: 23718bb2e24599d97687f06b7a4fdaef79e1b2b6684226e3bd96f45b700108fd
font_01_sfnt_off00007509.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7509 10516 bytes
SHA-256: b19210e605b23a20b047f9f75031f4a4590865bd22518c22578d5633c99cb570

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