Malicious PDF — malware analysis report

Static analysis result for SHA-256 335afadaae87dff8…

MALICIOUS

PDF

45.8 KB Created: 2020-08-28 03:06:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cc0305343c6535d9151ffddbd16a480e SHA-1: ef4377dc1f35db0f4bca739ff63f5fea18a43d35 SHA-256: 335afadaae87dff8beefb262d0ade9c60765405c4eaa88212c6a7b066835f1ec
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=broen+season+1+recap', which is likely used to direct users to malicious content. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious 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.ru/pify?keyword=broen+season+1+recap In PDF document text
    • http://files.bulldogrestorationservices.com/uploads/1/3/2/8/132815924/suzapewaguz_pikogedu_vasiwifarire_ligevorufedu.pdfIn PDF document text
    • http://gamaxin.generationsantiquesandmore.com/uploads/1/3/1/1/131164250/ba459370.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/1/0435/6158/2755/files/29653963610.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0378/1015/files/rawolefajubozurujorimi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4244/7261/files/unit_weight_of_asbestos_cement_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8340/6239/files/5700055534.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9262/1978/files/dusibamebikamo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5525/9546/files/political_sociology_in_marathi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75130531250.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9412/2400/files/67451225617.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5300/7526/files/brownman_revival_album_free.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006bb4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BB4 4656 bytes
SHA-256: 19a65cd7b2852113a84e7648a788c4285609a93a7ebcf9464ef29213ec69615e
font_01_sfnt_off00007b79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B79 9756 bytes
SHA-256: 2fd41120709cb796883d59bf3406fe1172b3e6901346c01d812fff9f3be09b65
font_02_sfnt_off00009ce5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9CE5 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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