Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ae5ac12dfd1a612…

MALICIOUS

PDF

42.3 KB Created: 2020-08-22 23:16:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e056a762a6e5369e1951e677ae308e6d SHA-1: 0993f56c5b61c400484a13f8b21f6eea4b139cbc SHA-256: 3ae5ac12dfd1a612a8c928f20e3b9991a6a18d19dd25103b20e7b5c0a2a78854
194 Risk Score

Malware Insights

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

This PDF file contains numerous embedded links, a common tactic for SEO poisoning or redirecting users to malicious sites. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=vector+canoe+manual+pdf'. While many other links point to benign Shopify domains, the presence of the malicious redirector and the ML classifier's high confidence score indicate a malicious intent. The document body, though heavily obfuscated, contains the malicious URL, suggesting it's the primary lure.

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=vector+canoe+manual+pdf In PDF document text
    • http://files.flowersbyroseus.com/uploads/1/3/1/6/131637881/tonijudagi_murofanupajutij_poxaxosifozep.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2270/5063/files/best_settings_for_csgo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0781/1495/files/arritmias_cardiacas_definicion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9825/8088/files/rejorif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/7880/7705/files/railway_ghatna_chakra_book_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3146/8951/files/medical_termination_of_pregnancy_act.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7990/9030/files/introduction_to_algorithms_solutions_3rd_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6411/4852/files/20065732107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0140/4830/files/bagubotifedufusofufik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0128/1701/files/how_to_use_carstream_android_auto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0334/7098/files/34827221868.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1987/8048/files/70098119130.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 4

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005a4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A4C 4924 bytes
SHA-256: 53de9ad1094d4067a50aa6b1539043b0c07903c5b9321951a70d27f8f299e112
font_01_sfnt_off00006aed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AED 10380 bytes
SHA-256: ce1df5920a04bd024b92de2ad49b048ecf1c1bbdbdc911e89a37ef5ccb1b8e2c
font_02_sfnt_off00008e78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E78 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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