Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ab59519cc099670…

MALICIOUS

PDF

42.9 KB Created: 2020-09-19 02:48:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: aa7841bb8cc99faa5a75eb964b0fef8b SHA-1: 1602c0e93684656ba900e00217af701b30a69565 SHA-256: 0ab59519cc0996707ab77de0fb3c33345e35774ccf4c412332b41ad904779a1e
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, including a redirector URL (https://ttraff.me/wix?keyword=nickel+and+dimed+summary+introduction) and a link farm of other PDFs. The document body, though partially corrupted, suggests a lure related to a book summary. The ML classifier and heuristics strongly indicate malicious intent, likely for phishing or malware distribution via the embedded links.

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.me/wix?keyword=nickel+and+dimed+summary+introduction In PDF document text
    • http://files.catherinebeerdabasso.com/uploads/1/3/1/0/131070459/voralibirizafiv-jexasiwe.pdfIn PDF document text
    • http://files.huskermotorsports.com/uploads/1/3/1/3/131379801/15e634.pdfIn PDF document text
    • http://files.rodsandwrenchesllc.com/uploads/1/3/1/4/131437627/852a5a.pdfIn PDF document text
    • http://files.graceceremonies.com/uploads/1/3/2/7/132740905/zunuzujen.pdfIn PDF document text
    • http://files.chennaishiayouth.com/uploads/1/3/0/7/130740589/joxax.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/1/0437/8345/4882/files/kitusagu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0905/6668/files/gopekojepuxapemu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2230/3911/files/riwap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9291/8947/files/lomulimujejikagitud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8996/0861/files/technical_data_sheet_adalah.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/4808/6939/files/flow_is_maximized_when_you_are_competing_against_an_opponent.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2626/7806/files/3345874247.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9222/9797/files/arrondissements_du_cameroun.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_off0000678c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x678C 5220 bytes
SHA-256: c149218b51df0ec941922e46ea83c7caa4fbe77cf15f5f3e95d642c61b0cfb8a
font_01_sfnt_off00007948.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7948 11024 bytes
SHA-256: c89ab119ec93593bc6044b2f00ffd7adf901685e70f88ee773bc23b6423b150c

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