Malicious PDF — malware analysis report

Static analysis result for SHA-256 5525596933e7d939…

MALICIOUS

PDF

36.4 KB Created: 2020-08-14 12:02:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e9298aab024e5e9e7a6c2e65b9b280c1 SHA-1: 2a32e72e3adb31a609a6c04cc4909a77a5cff8f3 SHA-256: 5525596933e7d939cee2bba8a68d0cbeb5dfe1a058293bcb59e163af75d38a9c
202 Risk Score

Malware Insights

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

The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains text related to a 'brother status video song in tamil' and the malicious URL, suggesting a lure to trick users into clicking. The presence of numerous PDF links, many hosted on Shopify, points to a link farm used for SEO poisoning or distributing malicious content.

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=brother+status+video+song++in+tamil In PDF document text
    • http://files.americanreferralconnection.com/uploads/1/3/0/7/130739712/6a27dd3f8420dc9.pdfIn PDF document text
    • http://files.toddconover.com/uploads/1/3/1/4/131453276/xukikabifakiv.pdfIn PDF document text
    • http://files.kesara.org/uploads/1/3/1/4/131406688/pazalibi-korurolotaw.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/1/0439/1947/4856/files/tuvisadewoxonaza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5226/1795/files/66974699594.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/1517/2259/files/south_african_national_anthem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0414/8381/files/3771615824.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6482/8838/files/62504875119.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2765/0970/files/tewalulegifevasubi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nasodidupafulad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2281/8212/files/75358366094.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5713/3221/files/quimica_general_atkins_espaol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1084/1000/files/rezukorusixewige.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9824/7069/files/bayesian_regression_with_inla.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pesaveput.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4983/4901/files/90100993805.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_off00004f60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F60 5348 bytes
SHA-256: caea42890f5ef6ae6c918760058018c4d65fd3f2313e4a40a0b54e72aeed3711
font_01_sfnt_off00006167.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6167 10344 bytes
SHA-256: 4afda759702c51ec5c724b2b2ed269a7f0691259242669de8a09d2ecb102e7ea

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