Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e3301fa6fd15ef4…

MALICIOUS

PDF

40.4 KB Created: 2020-08-07 12:30:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5556efb415b765acffe13904596c6c06 SHA-1: 84ae01d3eaa753e540cad34436c9f14728881b9a SHA-256: 0e3301fa6fd15ef481e4674a21b308a4911cb6cda8d3422d630752eef9139df7
234 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/wb?keyword=how%20to%20assess%20authentic%20learning%20pdf, which is also flagged as a malicious redirector. The presence of an MFA lure heuristic suggests the intent is likely credential phishing.

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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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/wb?keyword=how%20to%20assess%20authentic%20learning%20pdf In PDF document text
    • http://files.abyss-scuba.net/uploads/1/3/1/8/131856166/bidekoreza.pdfIn PDF document text
    • http://files.handcraftersbarn.com/uploads/1/3/1/6/131607407/7379177.pdfIn PDF document text
    • http://files.greensplendorlandscaping.com/uploads/1/3/0/7/130775384/710916.pdfIn PDF document text
    • http://files.waods.net/uploads/1/3/0/8/130814245/6108141.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/1/0427/6443/5612/files/bebafuranale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6064/8343/files/35485998445.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3141/3404/files/44453112237.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8537/3333/files/76522476404.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gamefidijuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4760/6679/files/watch_men_in_black.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38461358607.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/3528/2856/files/exit_hesi_study_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8852/7013/files/61684846810.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2630/8510/files/18391867032.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2083/7279/files/encyclopedia_judaica_vol_1.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 6

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_off0000609e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x609E 5468 bytes
SHA-256: 9dacef38bfc340666f82131f7660141fad4a3600008629c5a07dd92705aa2ab6
font_01_sfnt_off00007343.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7343 9884 bytes
SHA-256: 69155035a0f4e6a74f870913b677224b6ee420e3278c6a364bdfb912ef9483a8

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