Malicious PDF — malware analysis report

Static analysis result for SHA-256 034eeffbdbae5cef…

MALICIOUS

PDF

32.9 KB Created: 2020-08-24 13:52:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 69ab31006575df4045fa306fbabce300 SHA-1: 0ed4a7f2899f0b10642cf811285e9b19f7a1bd6b SHA-256: 034eeffbdbae5cef7b441960d33f8c1240c1e914d9e44df973e200a8ff0c458a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, many pointing to a redirector infrastructure identified as malicious. The document body, though heavily obfuscated, contains a URL that appears to be part of a lure for free downloads, likely leading to phishing or malware. The presence of a malicious redirector and a large number of external links strongly suggests a phishing or content-luring attack.

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=freepik+logo+free In PDF document text
    • http://minedem.bobapink.com/uploads/1/3/1/6/131606479/2567393.pdfIn PDF document text
    • http://files.hydrocracker.co.uk/uploads/1/3/1/4/131407572/silomatojuzogebaz.pdfIn PDF document text
    • http://gemakib.kercherbiology.com/uploads/1/3/1/4/131406226/f47fc1.pdfIn PDF document text
    • http://gosovuxir.rcarballo.es/uploads/1/3/1/4/131409090/nexavika_nutuzusigupab.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/1/0431/5961/7690/files/rimedio_contro_formiche_naturale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2040/2337/files/zezekepepetud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3137/8590/files/96759166843.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fejatomamegebuwugibuvu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6536/0034/files/bapibiluribam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3302/4929/files/goodfellas_google_drive.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0147/1388/files/kazipusuwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6643/3429/files/temigunosexukutusavubo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3504/1702/files/29254838673.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4785/5004/files/jokibugowi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9085/3531/files/xomegopigipabokorero.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5778/3718/files/wawiwuxebawefigetivime.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004721.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4721 4700 bytes
SHA-256: 8757183bbd84683b35eddc702d34085893b08356220f22ae83e85e9dbe81f155
font_01_sfnt_off0000573b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x573B 9392 bytes
SHA-256: 909bad5b646825cc198a354df005e18b34206a327bf61c6020a4cbd83f4dfe53

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