Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9a132e1d350a3c4…

MALICIOUS

PDF

42.6 KB Created: 2020-08-09 01:45:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0c25ec7fb47b11f47bab9e274b646573 SHA-1: c19aae3a2b004a267936b1f3ee43a35310c47f38 SHA-256: b9a132e1d350a3c4e629e50a5c8033a28f2d32dc17112e8c670540136ba78afe
202 Risk Score

Malware Insights

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

The PDF file contains a malicious redirector link disguised as a 'Pan card application form for NRI PDF'. This lure is intended to trick the user into clicking the link, which leads to a redirector. The file also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various PDF documents, likely to manipulate search engine results or host malicious content. No scripts were extracted from this sample.

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.com/pify?keyword=pan+card+application+form+for+nri+pdf In PDF document text
    • http://bajev.centraleuropeanstringquartet.com/uploads/1/3/0/7/130775971/aad883.pdfIn PDF document text
    • http://files.bsidessatx.com/uploads/1/3/1/3/131380354/sopumolup.pdfIn PDF document text
    • http://files.carolhemsleymosaics.com/uploads/1/3/1/4/131407952/wajew.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/1/0432/6971/8182/files/what_is_mp3_rocket_pro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3159/2092/files/realistic_needs_and_diseases_skyrim_se.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1312/8867/files/melase.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/3331/8808/files/anti_inflammatory_drugs_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3078/8758/files/weather_worksheets_for_preschoolers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4829/6857/files/calculus_with_differential_equations_9th_edition_solutions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2790/7239/files/70318404274.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4754/2175/files/19577262495.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5241/7703/files/kinuvizidetobo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5085/2762/files/fazuwawuvuzobet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6332/0471/files/75481474240.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9946/4611/files/kesujesalemejiwemasef.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 2

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_off00006918.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6918 5124 bytes
SHA-256: 57c3de0f2f0809333bc4070f41dba59ca6fb33cae206ae3188eee8b57764bfd3
font_01_sfnt_off00007a78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A78 10260 bytes
SHA-256: a0e82e2398a8d2abd4af3cefb7ecf99d70f08621605de1a640ed4bc6d955a9ee

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