Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d209b8d68b5bdfa…

MALICIOUS

PDF

52.8 KB Created: 2020-07-26 16:48:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5ef4baf2437e423d2ccb684666741656 SHA-1: 0035e7947777f06fd03fa79c4eb36c21c6b680da SHA-256: 0d209b8d68b5bdfac26eba475ba59aeea090360c4c4f93156517b7387c3925bc
194 Risk Score

Malware Insights

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

The PDF contains numerous links to a redirector service, identified as malicious. The document body, though heavily obfuscated, suggests a lure related to "making soap pre lab answers". The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

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=making+soap+pre+lab+answers In PDF document text
    • http://files.bayoubugjigs.com/uploads/1/3/1/4/131483184/6b3a49e.pdfIn PDF document text
    • http://files.bowentherapywithann.org/uploads/1/3/1/4/131409090/lobezesolime.pdfIn PDF document text
    • http://files.whoisnecessityschild.com/uploads/1/3/0/7/130776607/jokolulo-wodupitine-kowefewiguwex.pdfIn PDF document text
    • http://files.chiswickconcretecoatings.com/uploads/1/3/0/8/130813897/3663233.pdfIn PDF document text
    • http://files.activatinggraphics.org/uploads/1/3/0/9/130969254/cb29534.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/1/0428/0041/4883/files/87993118421.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7027/4201/files/powukexulul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4585/5137/files/15501165426.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/nilezujodezuruxiwilote.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9748/9572/files/nobixomemowavubapuzasapa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7161/8723/files/piwevimesomo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7404/4579/files/14686415204.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4672/2974/files/6880012588.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8772/4704/files/58708711358.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4423/1575/files/57377404545.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2340/8032/files/larisetuxipigukax.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 3

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_off000092a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92A3 4996 bytes
SHA-256: 5fbcde2b8ae4c95fc4b3d027c5db50329618bb903986f7baaa83d03d8f4f712a
font_01_sfnt_off0000a3b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA3B5 10096 bytes
SHA-256: 0a84c8fb66ba91e79d25b5fcafc5403b6fde4a974ad278e5e561c272abb5cf52

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