Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fa45c961a1ada71…

MALICIOUS

PDF

46.1 KB Created: 2020-07-30 08:46:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 884c6a5fa1b5565416458de5a7bdeee3 SHA-1: 7a6c9c97a5c74499e2088397ff31accaff8898df SHA-256: 2fa45c961a1ada716462a300506a6624cd542c65800fc3a923ffe3ad41d70187
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is designed to lure users to malicious content. It also exhibits a PDF link farm, a technique used to obscure malicious destinations. The document body, though heavily obfuscated, contains text related to 'startup business plan pdf', suggesting a social engineering pretext. The embedded URLs, particularly the one to 'ttraff.com', are the primary indicators of malicious 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.com/pify?keyword=startup+business+plan+pdf In PDF document text
    • http://files.rachelawallis.com/uploads/1/3/1/4/131406173/2325c875ec1.pdfIn PDF document text
    • http://files.medic-rescue.co.uk/uploads/1/3/1/6/131607075/d00e60c6e05ce28.pdfIn PDF document text
    • http://files.loisbrezinskiartworks.com/uploads/1/3/1/4/131453214/b7cfb65d9d16e.pdfIn PDF document text
    • http://files.solonoidstudio.com/uploads/1/3/1/6/131637419/lakejisugurima-nuwus-xukax.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/1/0434/1861/5975/files/jojotefowajudifedasekap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3443/4969/files/vavagodatozibegimivixod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3579/4344/files/joguxunelagaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7400/2848/files/9342711874.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0935/9520/files/41566011124.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6951/2607/files/wuzajiloloxefobowasevan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7605/8274/files/4209725413.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8715/0752/files/32784123669.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nexunalazuzifoginiwaboliz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0462/4021/files/78188527410.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_off00007758.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7758 5052 bytes
SHA-256: 4c4ec2c28d25ee59f470e30fa228614b37c95fab0eb1b9f447fff40966fcacfa
font_01_sfnt_off0000887a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x887A 10228 bytes
SHA-256: e5be1a708f671c1370edd77801a204f0d254163843197b9350e613aede4c52f8

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