Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3a974e441878f65…

MALICIOUS

PDF

43.9 KB Created: 2020-08-04 03:35:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 31d9f8a61653278690de95f21528fb3e SHA-1: c883a0bb7573de5e84dfb8432d80cb18a4ae071d SHA-256: e3a974e441878f652cf1e412f10efb72c36fc99d62aa753e903d8fbe35522585
194 Risk Score

Malware Insights

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

The PDF contains a link to a redirector URL, which is a common technique for delivering malicious payloads. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this, and the ML classifier also flagged the document as malicious. The embedded URL points to 'https://ttraff.com/pify?keyword=breaking+into+wall+street+dcf+pdf', which is likely intended to trick the user into downloading a malicious file by appearing to be a legitimate document.

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=breaking+into+wall+street+dcf+pdf In PDF document text
    • http://files.bangpleelanguageschool.com/uploads/1/3/1/3/131380786/baxepiwu_kikixunovov.pdfIn PDF document text
    • http://files.onegktraining.com/uploads/1/3/2/8/132815791/dibewuxawoxiri.pdfIn PDF document text
    • http://files.goodiescaters.com/uploads/1/3/0/7/130739312/c07ba0242c5.pdfIn PDF document text
    • http://files.kimbrulay.com/uploads/1/3/0/7/130740367/davububodono.pdfIn PDF document text
    • http://files.fortydollarserve.com/uploads/1/3/1/4/131452958/34eec6adbc6e.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/1/0433/6012/5080/files/zevedipux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5306/3063/files/system_collections_generic_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/5174/0310/files/rough_grinding_stone_wow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1135/8369/files/rrr_rajkumar_songs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7700/8550/files/jowalamofasej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8984/4631/files/43780849530.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1130/9719/files/78628497864.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5314/6517/files/automobile_engineering_by_kirpal_singh_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6000/2967/files/infinite_flight_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7845/8275/files/falum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1959/7981/files/suvilamaxonogudirebovipa.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_off00006c45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C45 5528 bytes
SHA-256: e22d8ca1f83849ed887a6ed566f6222cb1e06cea38fa515f25d6984fa7c48045
font_01_sfnt_off00007f3e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F3E 10372 bytes
SHA-256: 0fe11223222b2da391173ef2654d97ed76e8f7900434689548d585eda68e7291

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