Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3b2093d4476b046…

MALICIOUS

PDF

34.6 KB Created: 2020-08-06 18:49:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5a293150593a839ab811bc7e7e2a2771 SHA-1: ce0dff633b622e8a450887c86f75216a4332a4b8 SHA-256: e3b2093d4476b04613263832855cb5bb384cdd68e330fd1de62c17247c925a61
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass external link farm, with one link pointing to a known malicious redirector. The document body text and embedded links suggest a lure to download a file, likely leading to malware. The primary malicious IOC is the redirector URL.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=navbharat+newspaper+raipur+pdf+download In PDF document text
    • http://wowavu.nvintl.com/uploads/1/3/0/7/130776487/tofaditiwoz-bezeg-pejivekedibixo-xituwijenefofex.pdfIn PDF document text
    • http://files.neurothinktank.com/uploads/1/3/1/6/131606128/dusewomotaxike_pizewa_zopurirug.pdfIn PDF document text
    • http://files.cemcaracing.com/uploads/1/3/2/6/132681880/1866966.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/1/0432/6467/1909/files/xavuma.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4836/1375/files/15823009038.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/webomobituwisumepepaxifi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8657/7828/files/fatenavovofibebifegosu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9515/5105/files/wavupemat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0513/2445/files/serotevonedazegufasiza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2466/2173/files/rulowifapixixetelusizese.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5511/1589/files/fifonologafowuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vidabuvuwegorowomilamum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0766/2504/files/30947300050.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0018/4477/files/90772466098.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3640/8982/files/64685079438.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 6

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_off000049f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49F4 5388 bytes
SHA-256: 0826e0cb6f70cfc7953946b9bdd1ff8fc615e754b9e8b24f4b9840dd9727585f
font_01_sfnt_off00005c51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C51 9692 bytes
SHA-256: 4940131a3ef33285402cafb36295c6f7d9393af5770c1d9bcc0f6f2c76499734

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