Malicious PDF — malware analysis report

Static analysis result for SHA-256 08198d2cd0ce00fa…

MALICIOUS

PDF

40.8 KB Created: 2020-08-06 09:29:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 57a645ee89867de1af218231c19ad75f SHA-1: a2f9f9adbf0ed9c62d454ed6106ea2304f9e2ee5 SHA-256: 08198d2cd0ce00fa9cc3fb7e52b7e2aaadd740f8f781763720a3cfac75dc6d2a
194 Risk Score

Malware Insights

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

The PDF file contains numerous links designed to appear as a schedule, but they redirect to a malicious SEO link farm. The primary redirector URL is https://ttraff.ru/pify?keyword=houston+astros+schedule+pdf, which is flagged as malicious. This indicates a phishing or scam attempt using a document lure to drive traffic to malicious infrastructure.

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.ru/pify?keyword=houston+astros+schedule+pdf In PDF document text
    • http://files.knightsautowash.com/uploads/1/3/0/7/130776386/8500239.pdfIn PDF document text
    • http://files.rimatlanta.org/uploads/1/3/1/8/131872105/3955181.pdfIn PDF document text
    • http://files.willshowstopper.com/uploads/1/3/1/3/131379567/kedebanironivu_lunexoj_nezefokidubez.pdfIn PDF document text
    • http://bodunixol.alyshakarle.com/uploads/1/3/2/7/132741029/7697774.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/1/0437/5868/2273/files/2504158721.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7750/0057/files/94104373470.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4545/3985/files/atticus_poetry_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ropuxikasafomudixaxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3161/7945/files/82906574131.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4722/3458/files/88241575986.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45292738862.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pezudatilekubad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9202/6271/files/datizofi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0931/8813/files/tudifebatozabi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6379/5096/files/lakidubexukarawodowabil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2697/2825/files/nelikunatozapotikebojo.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_off00005f77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F77 5204 bytes
SHA-256: 1dd3ebb9073988e5a3ca131cf7eec1602e9a51edf94c89df1448926a6565c831
font_01_sfnt_off00007122.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7122 11312 bytes
SHA-256: c566d54bcc83dd8e90a3bc236d99fb511186e9412df189009f8c8cd6df833291

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