Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3a864b69b4a98df…

MALICIOUS

PDF

69.6 KB Created: 2020-08-02 14:47:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 828c7d2f35e1485f3b6b4f48c5eddb33 SHA-1: 72ccd1d46f91a69d7302e742d8f6a972803cb001 SHA-256: e3a864b69b4a98df6c60d124cb80b70385c3f1b8749810d50d75adfdd7a876f0
194 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=arch+linux+pdf+editor'. This URL is presented within the document body, disguised as a search result for an 'arch linux pdf editor'. The file also exhibits characteristics of a link farm, with numerous external PDF links, suggesting a broad distribution or SEO poisoning tactic. No scripts were extracted from this sample.

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.cc/pify?keyword=arch+linux+pdf+editor In PDF document text
    • http://files.straightjoe.com/uploads/1/3/1/4/131453869/94f3fd8f3.pdfIn PDF document text
    • http://files.morethanjustsociety.com/uploads/1/3/2/8/132816036/03f286483812e.pdfIn PDF document text
    • http://files.ragsdale-music.com/uploads/1/3/0/7/130740049/3cee10344de4c7.pdfIn PDF document text
    • http://files.meowlinda.ca/uploads/1/3/1/3/131379409/114bc8bed09.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/1/0434/5823/2473/files/15691852462.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1870/6341/files/vepudosiguxonelawe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4494/4542/files/dadofubazeriko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7941/6473/files/imgur_nsfw_clickable_you_re_welcome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4757/4949/files/clicker_heroes_unblocked.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6713/7438/files/56000106546.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6214/8763/files/19654125442.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5059/8562/files/33066709415.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7467/4083/files/99411715460.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9464/6689/files/95262500566.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6955/5359/files/77986037812.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7643/5621/files/betelamazemofuwaxelewa.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 4

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_off0000d4dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD4DD 4912 bytes
SHA-256: 53e43b6f865bd1a483f1c5b018701fa28006981e2d2af01d795b3c14f575c1b8
font_01_sfnt_off0000e596.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE596 10404 bytes
SHA-256: 8d105ad2d1951fcef3dded396584ad34db391674a6df4f6920fcbaf9b8dbea12

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