Malicious PDF — malware analysis report

Static analysis result for SHA-256 d79ad6fd99f2799c…

MALICIOUS

PDF

52.7 KB Created: 2020-08-21 17:04:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a9f2f9d3d33b395cf01b97f8565d6153 SHA-1: 966b1423f6c27db29fa68e0496b2fa35a30995d4 SHA-256: d79ad6fd99f2799cd42e800ce73fa4f7af3b2eb5aa7e267f7e2bb31acfb037e1
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

This PDF file contains a lure for "Tamil 4k ultra hd movies free" and embeds a link to a known malicious redirector. The redirector is configured to lead users to potentially harmful content. The PDF also contains a large number of links, many of which point to Shopify domains, suggesting a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier also strongly indicated maliciousness.

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=tamil+4k+ultra+hd+movies+free In PDF document text
    • http://files.digitalmindset.ltd/uploads/1/3/1/4/131414561/1e666e9ea7e5637.pdfIn PDF document text
    • http://fedorahosted.org/lohitIn 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/1/0437/7539/3944/files/business_impact_analysis_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2254/1209/files/65889714017.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/5153/6799/files/physical_chemistry_tinoco_5th_edition_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6529/4504/files/59574227695.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9762/9596/files/fupuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3786/7687/files/days_of_the_week_in_german.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5806/0703/files/peasants_quest_walkthrough.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5460/4198/files/riwisi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0278/0057/files/tower_of_heaven_game.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1530/6405/files/bojabamevenila.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7091/4717/files/bwv_1080.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2632/4383/files/web_design_proposal_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6799/7344/files/ielts_speaking_test_part_1.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 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000074a1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x74A1 13032 bytes
SHA-256: d09ebbe03bdce27f4dafec2816fecc5c9b7675a9094e46a1b105bb8a515ac2f5
font_00_sfnt_off000062b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62B3 5308 bytes
SHA-256: 616f2a33e8220d339236f23729b00da504e458a9ac3f7cf5719561ba834228ea
font_02_sfnt_off00009624.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9624 15236 bytes
SHA-256: 77e8907dfa283e745f5f1f37ba773a21f4bebdbacc361a10a1abeca83bb64007

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