Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce078d8b79b6c430…

MALICIOUS

PDF

34.7 KB Created: 2020-08-13 04:40:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d87dce4d9bf4053e984f9415be36bf2a SHA-1: 4ded240dab7b01245dc5cfb8adf6bb034c58df15 SHA-256: ce078d8b79b6c430019253bc2897c61ce25d214c0e7de609e174d57b7193e42d
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF document is identified as malicious due to its structure, which resembles an image-only lure designed to trick users into clicking a link. The primary malicious URL, https://ttraff.com/wb?keyword=ford%20explorer%202013%20owners%20manual, is a redirector. The document also contains a large number of links to other PDFs hosted on Shopify, likely for SEO manipulation or to appear less suspicious. No scripts were extracted, but the PDF's design and the malicious redirector strongly indicate a phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 34 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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/wb?keyword=ford%20explorer%202013%20owners%20manual In PDF document text
    • http://files.dvstash.com/uploads/1/3/1/4/131438557/1aa9c5f703cae9.pdfIn PDF document text
    • http://resabal.hidalgobraccoitalianos.com/uploads/1/3/2/7/132712207/f954ac0c25af4e5.pdfIn PDF document text
    • http://fudawi.portcitygymnastics.net/uploads/1/3/1/4/131406893/dugomenapezudifelede.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/1/0440/4104/4118/files/sufficient_velocity_forums.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2253/8136/files/chapter_5_electrons_in_atoms_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5454/6590/files/vakovovidabamatorobu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/41718344304.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3859/7539/files/85740080236.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3057/6278/files/71549618113.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6071/4904/files/ropijutolafu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5665/9621/files/megger_fluke_1507.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9040/1687/files/calf_stretches.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 1

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_off0000519f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x519F 5708 bytes
SHA-256: 6c44e2f6e9a975b459dcd14386ed9b0a3600e57d8c36a8f46f3d33d95b83404a
font_01_sfnt_off00006518.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6518 7536 bytes
SHA-256: f1918727ec5a8ba67c8157650c0882088cd68ced18ff5ef24b793efec639474c

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