Malicious PDF — malware analysis report

Static analysis result for SHA-256 0be62f545cc95524…

MALICIOUS

PDF

41.8 KB Created: 2020-08-08 10:05:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1252a8660e4ba1e99dd06a276495fed5 SHA-1: 076cb5d2ab2c3bd7c11ada6adafa308d28f38c28 SHA-256: 0be62f545cc955241f243c68edaa99b40b16a2330c607858a8f11b6c605786fe
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with a primary link pointing to a known malicious redirector. This redirector is designed to lure users into downloading further malicious content, likely a phishing document or malware. The ML classifier strongly indicates malicious intent, and the presence of a link farm further supports a malicious SEO-based lure.

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=portugu%25C3%25AAs+xxi+nova+edi%25C3%25A7%25C3%25A3o+pdf In PDF document text
    • http://files.koahspearguns.com/uploads/1/3/0/8/130813849/worabugesezu_fowipe.pdfIn PDF document text
    • http://fivebod.vegantshirts.ca/uploads/1/3/1/4/131406082/1853414.pdfIn PDF document text
    • http://files.rileytechnical.com/uploads/1/3/0/7/130738876/japofigagife.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/1/0427/8986/3580/files/41121525084.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3005/9940/files/books_about_time_management_for_students.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0976/7584/files/14175166152.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6255/7856/files/19065381355.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3775/1453/files/12422175160.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8361/9736/files/rewisujubuxuluxewu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7139/6257/files/pobodoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0582/8520/files/tobibuxev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7079/8489/files/48447955039.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3966/1981/files/6128605883.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9671/7977/files/alphabet_radio_international.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2476/1507/files/napuwigovefuwib.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E3D 5956 bytes
SHA-256: 279cca3e970df43cc32ed8c11affb590c38420292363cf492c281b720454e749
font_01_sfnt_off000071cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71CD 12764 bytes
SHA-256: 30ca9db74eda227abbabf11aa3623e06392234e2babef9a16a80cfe8470a525f

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