Malicious PDF — malware analysis report

Static analysis result for SHA-256 f462e670b153e9a2…

MALICIOUS

PDF

32.3 KB Created: 2020-08-11 05:22:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b208768c78db2347a18fc74e4e2c1360 SHA-1: aa52c1499503484654f0a72ec10aeb47380ad662 SHA-256: f462e670b153e9a2e3c8a6fd36ce3af718bb3785a6fe0201bc5283b64100e18c
214 Risk Score

Malware Insights

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

The PDF file is identified as an image-only lure, typical for phishing attacks. It contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. This indicates the document is designed to redirect users to potentially harmful content. The ML classifier also strongly flags this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 32 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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=kenwood+bread+maker+bm450+recipes+pdf In PDF document text
    • http://files.marianklamer.org/uploads/1/3/2/7/132711947/61b7a229.pdfIn PDF document text
    • http://files.geoneurisk.com/uploads/1/3/1/4/131482950/5416009.pdfIn PDF document text
    • http://files.chqdem.org/uploads/1/3/1/4/131438313/zojedoluzukewo.pdfIn PDF document text
    • http://files.windyhilldoodles.com/uploads/1/3/1/1/131163734/lekikosunusu.pdfIn PDF document text
    • http://woxirof.emilyafield.com/uploads/1/3/2/7/132712358/midose_xofikeme_nojemi.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/1/0439/3821/8152/files/jubetevisobi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1363/6259/files/broadcast_news_and_writing_stylebook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9927/3882/files/minecraft_stampylongnose_hunger_game.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9125/5713/files/99002173778.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2042/5115/files/datastage_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8936/2082/files/cost_accounting_horngren_15th.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6854/5441/files/27815620662.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3559/8758/files/duvowev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8211/9323/files/23403563833.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 3

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_off0000429e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x429E 5888 bytes
SHA-256: a62596871f8f24aa230aab593f9e2d25004ef81be1dc27ed64d364d3d30b6211
font_01_sfnt_off000056a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56A5 8252 bytes
SHA-256: e2704c52ed69441221fb1fd72294b827575bf2dce3acd95e5c74bc4306e3a045

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