Malicious PDF — malware analysis report

Static analysis result for SHA-256 866b3ceacddbb80f…

MALICIOUS

PDF

40.2 KB Created: 2020-08-24 11:14:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8cc4e00542b5ca569086d2684ed66733 SHA-1: 4b8ff6c8a515e76579e2fc66f015b0001480ea86 SHA-256: 866b3ceacddbb80f5331559841bdabfa5ec7b56c9fa239827de0b54d8ef26e08
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links that lead to a redirector infrastructure, specifically `https://ttraff.com/pify?keyword=bahaya+rokok+vape+pdf`. This redirector is likely used to obscure the final destination and potentially deliver a malicious payload. The document body, though obfuscated, contains text related to vaping and a URL, reinforcing the lure. The presence of numerous external PDF links suggests a link farm or SEO manipulation tactic to increase visibility.

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=bahaya+rokok+vape+pdf In PDF document text
    • http://wedibeda.victoriavisions.com/uploads/1/3/0/7/130775350/80d3b.pdfIn PDF document text
    • http://files.karizmaconcerts.com/uploads/1/3/0/9/130969809/lesibawopino.pdfIn PDF document text
    • http://ketator.heritagefloristcortland.com/uploads/1/3/1/4/131453558/6172085.pdfIn PDF document text
    • http://files.kootingalmotorclub.com/uploads/1/3/2/6/132681698/5915422.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/1/0433/0687/7080/files/tujekozovazufurujujazer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93861148098.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9159/0308/files/72893533061.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0139/6896/files/banished_game_free_for_pc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0721/2694/files/ikea_pax_installation_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6667/8696/files/addition_and_subtraction_worksheets_grade_3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1462/7223/files/13867877720.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5440/7580/files/xuvik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4419/8805/files/17330218889.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6481/1935/files/62795266755.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6246/8503/files/acres_of_diamonds_free_download.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_off00005f37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F37 5192 bytes
SHA-256: 34d151da17e45a20d116888db7d25ee861648ef53d41398a58653a142ececdac
font_01_sfnt_off000070ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70EE 10288 bytes
SHA-256: 07308457efb84458c3fc0c6ee72fbce9bc5e1f3174c7e77f206a6d6e21528384

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