Malicious PDF — malware analysis report

Static analysis result for SHA-256 58596304a65174fb…

MALICIOUS

PDF

52.5 KB Created: 2020-08-05 08:58:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bbb5ced02d9d0f1c808e06f9da9d2780 SHA-1: 08f1f05bb041b5a9e5339282c8bba6f0966d8077 SHA-256: 58596304a65174fbe73183885cfe50e7df6714d0f5f38e2eb5d99dab548ced50
202 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm pointing to a redirector service. The primary malicious URL identified is https://ttraff.com/pify?keyword=ackerman+proffit+classification+pdf, which is likely used to obscure the final destination of the attack. The presence of a 'download button' heuristic further suggests a lure to entice users to click on these links.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=ackerman+proffit+classification+pdf In PDF document text
    • http://files.halfmoonday.com/uploads/1/3/2/6/132683142/wazunizizew-mijogofu.pdfIn PDF document text
    • http://files.designsbycherylelise.com/uploads/1/3/1/1/131164382/7e1c3.pdfIn PDF document text
    • http://files.battechautomotive.com/uploads/1/3/0/7/130739415/8952725.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/1/0439/2399/6840/files/18412484930.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4610/9341/files/neremefedepulejonilepufed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3325/6345/files/88987925705.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3380/5471/files/99504200613.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4133/3147/files/53257276507.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7853/3799/files/magunutakopur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5162/2306/files/fadoziwukujerorenusemux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5732/3925/files/gemikapo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6162/2437/files/alt_code_for_pi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7866/4867/files/rozupejozifiwome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2548/9320/files/brios_fair_oaks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5459/4213/files/xabosujuwuxizufagad.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 3

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_off00008f2d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F2D 5356 bytes
SHA-256: 448a1d504606070a2583e6218ded12ee40e8dd5f21f330fec9df32b66c24bffa
font_01_sfnt_off0000a14c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA14C 10548 bytes
SHA-256: 248ff258a772e5b2f9af871a2f2376d1f1bf525533c977cb4dd64088762fa3fc

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