Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0034d39769a7ed4…

MALICIOUS

PDF

40.0 KB Created: 2020-08-05 05:26:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0e0f1f40a025ccd7c5d6cea2fda025aa SHA-1: 3e36010c7ea5465b9a2d3914ae04669128cbce24 SHA-256: b0034d39769a7ed4fd96f1c61f5f4a0f4abeb1c5a0c4ee9479b5e5bacc637d72
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=arduino+led+projects+pdf'. This indicates the document is designed to redirect users to potentially harmful content. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to improve search engine ranking for malicious content. The ML classifier also strongly flagged this PDF as malicious.

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.cc/pify?keyword=arduino+led+projects+pdf In PDF document text
    • http://files.teamhagercommercialrealestate.com/uploads/1/3/1/3/131378838/rujutukelijixil.pdfIn PDF document text
    • http://fupiv.fisherlawcorp.com/uploads/1/3/0/7/130775607/resuweranano_tazami_mipitowelaw.pdfIn PDF document text
    • http://files.cerigrenelle.com/uploads/1/3/0/7/130776433/92c27accdf7ded.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/1/0436/3314/8062/files/762661526.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1234/9334/files/kibirurodazitafaminawujin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0910/6335/files/wozov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3508/2402/files/gakosipoxasat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2699/7663/files/beradalaradita.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6589/2261/files/13575237931.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9681/7312/files/xababopevogavetu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7077/5706/files/83031456645.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fimovubonivunab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3033/1047/files/pegijifow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7438/8119/files/kupupaluli.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
🗂 Part of campaign: colesworldofmathematics.com 3 samples

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_off00005d1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D1F 5004 bytes
SHA-256: c8d7dd804b07991c327872b83d81d50e05983d3077bab244dbfbe839c8545ae5
font_01_sfnt_off00006e3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E3F 11196 bytes
SHA-256: 00bf2aa5606e0a7774a3529172af5e74978055095ae8a4f45bcc7699d3526840

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