Malicious PDF — malware analysis report

Static analysis result for SHA-256 da35051a7fdd2ee6…

MALICIOUS

PDF

33.7 KB Created: 2020-08-18 16:26:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6cfdfaa68ad127261821ca3eb295c38f SHA-1: c6d648d5113cf16a46af5119ad84d1815fec170a SHA-256: da35051a7fdd2ee67edbf46280c6765164c6e06cebd6495b124f26b3b3a9a365
194 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=audio+song+breathless+by+shayne+ward', which is likely intended to lure the user to a malicious site. The PDF also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or SEO poisoning tactic to distribute the malicious redirector.

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.cc/pify?keyword=audio+song+breathless+by+shayne+ward In PDF document text
    • http://domipet.hellobeautifulmn.com/uploads/1/3/1/3/131383664/55e25f851.pdfIn PDF document text
    • http://files.kaetebrittinshaw.com/uploads/1/3/0/7/130740222/de952a.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/1/0433/0687/7080/files/20726054751.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1344/7581/files/fagetibadivejovifit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2412/9952/files/94743748908.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4677/2646/files/50750682777.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4071/8493/files/jawusisanetiluvidu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5886/4028/files/5e_cleric_spell_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/5890/8584/files/soccer_functional_fitness_training.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6281/9990/files/wogoguti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1877/2903/files/jexuvanemerojebikezibedow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9676/8665/files/89340977185.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6393/4109/files/puzenipufiposegafupimori.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8052/3678/files/pofoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3867/7924/files/buwujuruzirobivokuzapeg.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 4

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_off0000470a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x470A 5412 bytes
SHA-256: ac5353c2d4c6404fc8880089a2e79cbe892216f76826b9875ff7edcb05c888b5
font_01_sfnt_off00005979.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5979 9516 bytes
SHA-256: 27101792ad5657a1155ac7ec59efc5022dbe0e54520b18e5af9d2f6246501d92

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