Malicious PDF — malware analysis report

Static analysis result for SHA-256 79a1318d8fe7387f…

MALICIOUS

PDF

50.8 KB Created: 2020-08-23 12:05:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 18d752bc66702fe7cebcb52d9e435bb8 SHA-1: 82fac0bff86d188d4a82c2bf06a1dfcae71ae1cb SHA-256: 79a1318d8fe7387f1b3b5df0e1a0d618b830c037ff652dfe9b4284e7157e2d71
194 Risk Score

Malware Insights

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

This PDF file contains numerous links to an SEO redirector, specifically `https://ttraff.ru/pify?keyword=beylikten+devlete+osmanl%25C4%25B1+medeniyeti+konu+anlat%25C4%25B1m%25C4%25B1+pdf`, which is flagged as malicious. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The presence of a large number of external PDF links points to a link farm or SEO manipulation tactic to drive traffic to malicious sites.

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=beylikten+devlete+osmanl%25C4%25B1+medeniyeti+konu+anlat%25C4%25B1m%25C4%25B1+pdf In PDF document text
    • http://zudobenux.sahasbarve.com/uploads/1/3/0/8/130813577/xodupevuzog-xaxuvid-jixiduron.pdfIn PDF document text
    • http://files.stateofappalachia.org/uploads/1/3/1/1/131163684/39aacc.pdfIn PDF document text
    • http://zimir.trianglemarketplace.org/uploads/1/3/1/3/131381078/8ccde50635.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/1/0433/0536/9758/files/menibivisilexi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9970/8821/files/tejufurex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4573/2007/files/flight_rising_familiars.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/6599/4392/files/fusionner_mac_gratuit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5271/9515/files/39411128907.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4106/2055/files/abbyy_transformer_plus_serial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0419/9075/files/norma_asme_b31_3_en_espaol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9765/7248/files/gravely_model_l_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9982/1982/files/acute_coronary_syndrome_guidelines.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4205/4048/files/73801881330.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4253/6604/files/44136263838.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 2

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_off000082d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82D6 5396 bytes
SHA-256: e619b77152392223fcf3844784ab4d6448ad201340e7b752d671f010534fefab
font_01_sfnt_off0000953c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x953C 12448 bytes
SHA-256: 58c7decb1cec0b4df1ee185d1dcf5c2fdb3b41a4484c9df83d3585a4828747f8

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