Malicious PDF — malware analysis report

Static analysis result for SHA-256 49ae992b246fa1bb…

MALICIOUS

PDF

37.1 KB Created: 2020-08-25 14:29:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: baa5973c8905135818ceb44d73688a5a SHA-1: 2bcaea6d73e9793f2a1240fffcf3fc5cc3c84cb5 SHA-256: 49ae992b246fa1bb6d2deecb37db191b04e3b9e14fec7820859f29547fe17245
194 Risk Score

Malware Insights

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

The PDF document contains a lure related to a 'Bosch 12v cordless drill manual' which, upon inspection, is a link farm. The primary malicious URL identified is https://ttraff.ru/pify?keyword=bosch+12v+cordless+drill+manual, which is a known malicious redirector. The document's structure and embedded links indicate a tactic to drive traffic to malicious infrastructure, likely for further exploitation or phishing.

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=bosch+12v+cordless+drill+manual In PDF document text
    • http://files.shineworksdetailing.com/uploads/1/3/1/0/131069899/2258955.pdfIn PDF document text
    • http://nuleta.cchsmo.org/uploads/1/3/1/3/131384778/95e8fe246cf8.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/1/0435/1305/3338/files/business_process_management_systems_strategy_and_implementation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6698/1542/files/22055731962.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7369/0017/files/gopovasenemopededu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8631/5682/files/45486065484.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7586/9599/files/60885427622.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7444/4694/files/exercises_on_present_simple_tense.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9262/3001/files/besiwupixol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9282/0643/files/vowofinis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2122/1533/files/tetaxubolixomerukesak.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 1

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_off00004b04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B04 5472 bytes
SHA-256: 1e595a0f42ee7b1c6bbec115065f8aa1a9b003d8429db489ab6f9a9f80ea2d9a
font_01_sfnt_off00005d82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D82 13544 bytes
SHA-256: df895ba6b3e5a8c43a619fed880ca31cafc68626afdb4c90768211d5ebafdbc9

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