Malicious PDF — malware analysis report

Static analysis result for SHA-256 aff4083294892224…

MALICIOUS

PDF

42.6 KB Created: 2020-08-15 17:27:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 266b5ecfc8bcbe0cddc3bd9ab393e9c0 SHA-1: 350b003cf50b6c1cc6a1018bed825b70c59d18c4 SHA-256: aff4083294892224f1373131e53a6bdb682f7da2010741c12230bf8986a6813d
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though partially corrupted, includes the same URL and keywords related to a '2017 chevy bolt service manual', suggesting a lure. The PDF also exhibits a link farm behavior, with numerous links pointing to external PDFs, many hosted on Shopify. The primary malicious URL is 'https://ttraff.com/wb?keyword=2017%20chevy%20bolt%20service%20manual', which is likely used to redirect users to a malicious site.

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.com/wb?keyword=2017%20chevy%20bolt%20service%20manual In PDF document text
    • http://files.gcctampa.org/uploads/1/3/0/8/130874231/423a1f27d6e.pdfIn PDF document text
    • http://files.unidadepastoral.com/uploads/1/3/1/4/131437351/195585ef.pdfIn PDF document text
    • http://files.colonialprinter.net/uploads/1/3/1/4/131483719/naxusasa_pitefipezapawi_nowibunamadaxi_fodof.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/1/0434/4456/8216/files/ifelse_in_r.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1791/9909/files/30209703861.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4560/0936/files/17888052570.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6863/6834/files/37180143936.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8450/5498/files/wanijuvobivaxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8131/1132/files/77812385315.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7207/0556/files/sujuwosu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8358/6977/files/5670349601.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8408/6424/files/retigap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/0047/5293/files/adobe_acrobat_reader_dc_download_kostenloser_viewer_fr.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8491/4583/files/podoxoweni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/7625/9735/files/absorption_of_carbohydrates_proteins_and_fats.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_off0000667e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x667E 5652 bytes
SHA-256: ef81fb575eb78b64d9518dd639b4d9892a6d4166f9b7fb4e9a75b146fd225049
font_01_sfnt_off00007999.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7999 10504 bytes
SHA-256: cc40393c28be400eb02d9fddccdb8567389c21a28f1513c52d5f18d94f9aa6af

Open this report in the interactive analyzer, or submit your own file for analysis.