Malicious PDF — malware analysis report

Static analysis result for SHA-256 23d7a2ca0b410b1b…

MALICIOUS

PDF

44.6 KB Created: 2020-08-24 04:04:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bc08079c020a5f822253f375726fb29b SHA-1: 4e32c03f63c9788c3c6b967eb309f085f11c15cb SHA-256: 23d7a2ca0b410b1bc2c5e1b22578e6b211e5b06e501153773d97182cc8244662
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. The link leads to 'ttraff.ru', a known malicious redirector. The document also contains a PDF link farm heuristic, indicating a large number of outbound links, many of which point to Shopify domains. The primary malicious IOC is the redirector URL, which is likely used to funnel victims 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.ru/pify?keyword=everybody+was+kung+fu+fighting+sheet+music In PDF document text
    • http://geludexu.emmanuel-umc.org/uploads/1/3/1/4/131437601/jidibege.pdfIn PDF document text
    • http://files.racevette.com/uploads/1/3/1/4/131406527/8528b.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/1/0430/4178/3959/files/15952111102.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/facebook_video_clip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2582/4929/files/game_bar_wont_open.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2492/5347/files/dulikobuwadeweje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4973/8650/files/63461753458.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0212/6755/files/31161229097.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2318/7614/files/waste_management_report_format.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8741/0840/files/can_you_put_animated_gif_in.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0751/6565/files/nfl_teams_alphabetical_order.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6073/1808/files/muririfa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/4795/6130/files/wazoxakovatexofetegelunil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6451/6005/files/62866693949.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4907/4336/files/puwudofove.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5086/6590/files/disney_all_star_movie_resort_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4457/7178/files/headway_beginner_test_booklet_pdf.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_off00006d99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D99 5820 bytes
SHA-256: de370f43b51ae27b653be2c8a40652df1a28ad463170d2d9c0be0b60e107084c
font_01_sfnt_off00008159.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8159 10592 bytes
SHA-256: 950795f6c5d1a9ffab7a6541c4e90bc5007ea6033887e8cee074453966b90bfe

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