Malicious PDF — malware analysis report

Static analysis result for SHA-256 0714dd3fd95483da…

MALICIOUS

PDF

40.5 KB Created: 2020-08-08 18:24:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4dd36d0b639b5db6544e71587d0946e4 SHA-1: a79b1b72c1fab0acfa0a23d691ae3d2dd4e8f485 SHA-256: 0714dd3fd95483da077cce40163ce02be58d28465fce86594f214543b70c307b
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically 'https://ttraff.com/pify?keyword=tca+cycle+pdf'. This suggests a phishing or scam attempt, likely using the document as a lure to drive traffic to a malicious site. The ML classifier strongly supports the malicious verdict.

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=tca+cycle+pdf In PDF document text
    • http://files.teachersfortomorrow.net/uploads/1/3/1/6/131606789/sisifoso.pdfIn PDF document text
    • http://files.nkphillipscpa.com/uploads/1/3/0/7/130776790/netizubobeg_wafusewelasido.pdfIn PDF document text
    • http://files.marine-ropes.net/uploads/1/3/1/3/131378950/tiwivile-guritaxebukizu-gefit.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/1/0427/5693/1751/files/76834784577.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7742/5565/files/13999075526.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5272/0543/files/bagesifes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5693/8658/files/apuntate_espanol_introductorio_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1028728638.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1512/7708/files/foliritob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2925/8649/files/microsoft_for_mac.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/talijofazejodo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9412/1379/files/livimuzedanokabufilorid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1103/9655/files/34832249162.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0360/8216/files/83697539635.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 5

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_off000063fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63FD 4924 bytes
SHA-256: a4a729c408599c7f5cd44c4b7c44daed456ea97cbdec9626a2979fde27ae953d
font_01_sfnt_off000074e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74E4 9628 bytes
SHA-256: 2bbc3ed71054a61d861e12d06be4b7510c5d787269e1493a61809e4627fc181f

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