Malicious PDF — malware analysis report

Static analysis result for SHA-256 35e9b0333126e4fa…

MALICIOUS

PDF

45.2 KB Created: 2020-07-28 19:05:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c0ce334479d7b0fb98038b5c4adb7d07 SHA-1: a033d4d66ca2d47ba56a2392c88aa2bf6f4f3b1d SHA-256: 35e9b0333126e4fa0fec77da9e072eb9870f3830b318f19a76a49a67571c84c3
194 Risk Score

Malware Insights

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

The PDF file was flagged by multiple critical heuristics for containing a malicious redirector link and a large number of external PDF links, suggesting a link farm or redirection scheme. The primary malicious URL identified is 'https://ttraff.cc/pify?keyword=does+accrued+expenses+go+balance+sheet'. The ML classifier also strongly indicated maliciousness. No scripts were extracted, and the document body was heavily obfuscated, preventing a deeper analysis of the content's intent.

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=does+accrued+expenses+go+balance+sheet In PDF document text
    • http://files.hickmanfootball.com/uploads/1/3/0/7/130776788/kamubumul-dobozokowobiz.pdfIn PDF document text
    • http://files.omsbands.com/uploads/1/3/1/3/131379037/8150706.pdfIn PDF document text
    • http://files.leedstriathloncentre.co.uk/uploads/1/3/0/7/130776632/tabepadusesalonu.pdfIn PDF document text
    • http://files.mobilemountsolutions.com/uploads/1/3/1/0/131069890/vanojol.pdfIn PDF document text
    • http://files.xoskshop.com/uploads/1/3/0/7/130775536/jalejurogamenusatena.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/1/0428/5811/9334/files/pafiwipavavaxamori.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2514/5760/files/24221928924.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7723/7917/files/76697127233.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6399/2742/files/65312960494.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4855/1068/files/67900727513.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4478/1735/files/80244941310.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6081/3208/files/tezitulodareraguseki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3234/4736/files/53794978893.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6014/3014/files/minapelukegewoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5663/5816/files/vugugobupepixosol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48975286879.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70838758317.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gobobuxewinunegurugita.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_off0000716c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x716C 5376 bytes
SHA-256: 9428f6f185822e56513d7a5a2859c9b2b80ae97d2cf5a08c0090c6dc16a3a283
font_01_sfnt_off000083ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83AD 10468 bytes
SHA-256: b2c2616bb4d8ade3b3f2b1948390207fd82b163a039b998e0ce558741aa1b2f8

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