Malicious PDF — malware analysis report

Static analysis result for SHA-256 704e98e685ba4706…

MALICIOUS

PDF

37.7 KB Created: 2020-08-11 05:05:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b6f5bd6db5a5755b8fcce51afd40cabd SHA-1: ec5638f921c1fb230beb293fd11d84dd0681538d SHA-256: 704e98e685ba4706739d61c538e8e5c4732ee7a32c710bafacf5c7f655d1ed11
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links designed to appear as legitimate downloads but redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' heuristics. The primary redirector URL is https://ttraff.com/pify?keyword=case+study+houses+pdf+download, which is used to lure victims under the guise of downloading case study houses. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest an attempt to lead users to malicious content, likely for phishing or malware distribution.

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=case+study+houses+pdf+download In PDF document text
    • http://files.sneakerempireorange.com/uploads/1/3/1/1/131164198/zujikuno-jukep-xesenileno.pdfIn PDF document text
    • http://files.wandaharris.com/uploads/1/3/0/7/130775372/ziludipifi_pobojowade.pdfIn PDF document text
    • http://files.easystreetproductions.biz/uploads/1/3/0/9/130969572/vejijiguwaj_fukuvovifidef_xugapoge.pdfIn PDF document text
    • http://vozipa.brandylrhodes.com/uploads/1/3/1/4/131407406/bilikotoxet.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/1/0433/2060/6885/files/kiburaxiboze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8450/5498/files/articles_grammar_examples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0004/5469/files/plan_metro_tram_amsterdam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4793/4359/files/41466833851.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2385/8850/files/dutopej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9703/8756/files/ar_rahman_biography.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9612/1248/files/vesomikogamudanonasuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1298/8821/files/54673273202.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5459/5224/files/xikugikokexurew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2305/4501/files/pisamepolazigaxugodufat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xozujegemuzudileruzodedus.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 7

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_off00005622.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5622 5132 bytes
SHA-256: 0b4dda67b1db8af5025e187f32d66c644b847a78c168936f5016e0c12ab27d94
font_01_sfnt_off000067af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67AF 10040 bytes
SHA-256: 2b2a4fd09e337c280d3cec7f941f05ed0f7ee9bce0c953f11416e04ebb695ab0

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