Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d34ec549849e40d…

MALICIOUS

PDF

46.2 KB Created: 2020-08-07 23:23:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 74eff0daf91f98f36d13e45eac5095a1 SHA-1: b1b23e5499c2276abb84eaad3591deb146f606b6 SHA-256: 2d34ec549849e40def45a204f4b367c3aec6b26f8df625e1586b019b19b7f7de
194 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as an essay. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates the primary URL leads to known malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic suggests the document is part of a link farm, likely to improve search engine ranking for malicious content. The embedded URL points to a redirector that likely serves further malicious content or phishing pages.

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.com/pify?keyword=alcoholism+essay+pdf In PDF document text
    • http://files.helpofbeaufort.org/uploads/1/3/1/3/131379149/mujevi_bogugarumo_faliro.pdfIn PDF document text
    • http://xibumimig.vegaestudios.net/uploads/1/3/0/7/130775727/63f3e.pdfIn PDF document text
    • http://files.estatecomputers.net/uploads/1/3/1/8/131857970/7977666.pdfIn PDF document text
    • http://files.mytrucutz.com/uploads/1/3/2/6/132682745/koxin_joropikopezefe_taworexirejudef_mikizudi.pdfIn PDF document text
    • http://files.danandcloverhomebb.com/uploads/1/3/0/9/130969154/xemifoxajexo.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/1/0427/5086/9671/files/black_seed_oil_side_effects.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0231/3373/files/sesetojeleto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9167/2736/files/14621218254.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8867/4967/files/jijoporevosozuxes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0744/1053/files/mod_menu_for_gta_5_xbox_360.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7028/3166/files/daigremontiana_kalanchoe_aranto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rikakaxudote.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2389/1618/files/fotolupinokikukesudu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4542/9160/files/65389703917.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5440/7578/files/21360303530.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4856/6933/files/20911008583.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 8

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_off000068b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68B2 4992 bytes
SHA-256: 071cbb7bef3170f4b661507c89dcba6a814908b7fa29931721d7fe2755f84a67
font_01_sfnt_off000079a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79A5 10504 bytes
SHA-256: 78bd854ad84e9fd7fab17e385db429a87b40e7b5bd321df30cadffb704fd11e6
font_02_sfnt_off00009d83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D83 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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