Malicious PDF — malware analysis report

Static analysis result for SHA-256 380a6c4e9aef68a6…

MALICIOUS

PDF

47.7 KB Created: 2020-08-14 09:07:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9109e8ce5985edc707e7f70edc69b7e2 SHA-1: 307f925234923ff72ae165f6dc4bf42709f61246 SHA-256: 380a6c4e9aef68a6dc6f7d6a206d655b1fa977fe992dba6578b7f9c2d2a93bd9
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, which points to a URL designed to lure users with a job promotion theme. This URL is part of a link farm, with many other links pointing to Shopify-hosted PDFs, suggesting a mass distribution effort. The document body, though partially corrupted, contains the same job promotion lure and the malicious URL.

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=job+promotion+interview+questions+and+answers+pdf In PDF document text
    • http://gaxawidus.eventsbyangel.com/uploads/1/3/0/8/130874284/gomadaga_gatek_nejebaroteluve_migopovunad.pdfIn PDF document text
    • http://files.castrovilleconservationsociety.net/uploads/1/3/0/8/130814861/0bcaf76.pdfIn PDF document text
    • http://files.shirleywatsonfinancial.com/uploads/1/3/1/4/131453512/2cafea7d3fba.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/1/0431/2717/7380/files/xotovatuwogofenekomikume.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8559/4775/files/past_simple_vs_present_perfect_game.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8828/9694/files/lipid_metabolism_in_plants.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1880/3607/files/2779622081.pdfIn PDF document text
    • http://bugod.tjferguson.people.ua.edu/uploads/1/3/2/6/132682646/toviwiw-wofuwubivofa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6661/2130/files/kuvopilezedujuwezazitip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4379/6645/files/gafugo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9812/8036/files/bocio_multinodular_difuso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8001/5262/files/taforejunusepofoza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6610/5759/files/sample_donation_request_letter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4130/0380/files/41380273776.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2936/4889/files/wajetuwusojosal.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_off00007abc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7ABC 5560 bytes
SHA-256: bc8f0bc0efb860432ca642c56a8f7b8fa2b1702159f916de9ca93762857fa216
font_01_sfnt_off00008d95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D95 10628 bytes
SHA-256: 2818604410bca1825d60d6633472e47aa491a6c0746ca3dc4fe710dac7e73b4f

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