Malicious PDF — malware analysis report

Static analysis result for SHA-256 98a2c3627f304c16…

MALICIOUS

PDF

37.3 KB Created: 2020-08-23 04:56:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7c2c10a0a88781412d3b0eb58c4dfb7a SHA-1: 4ae3cf6d60aba8003aaae7c83eadca3dc15783ca SHA-256: 98a2c3627f304c16bc62453904436ab2511621253d34034c1ec2a4696dcb6a0c
194 Risk Score

Malware Insights

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

The PDF file contains a link farm and a critical heuristic firing for a malicious redirector. The embedded URL 'https://ttraff.cc/pify?keyword=weather+report+kullu+bajaura' is identified as a malicious redirector. The document body, though heavily obfuscated, contains fragments suggesting a weather report lure, which is a common tactic for phishing or malware delivery. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm designed to obscure the ultimate destination.

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=weather+report+kullu+bajaura In PDF document text
    • http://files.ravs.shop/uploads/1/3/0/7/130740255/lewomuwovimem.pdfIn PDF document text
    • http://files.coachtbasketball.com/uploads/1/3/2/6/132681971/b15c9ba1731.pdfIn PDF document text
    • http://jiludo.kathrynemyoung.com/uploads/1/3/1/3/131379290/ce3b43507b9bab2.pdfIn PDF document text
    • http://files.pageflicker.com/uploads/1/3/1/4/131453695/6566442.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/1/0429/2771/8567/files/64887254309.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9472/1187/files/56403673737.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3110/9540/files/kodozajaletabikifedodij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6038/7227/files/72661742344.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8901/6472/files/81202087866.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1917/3029/files/md_to.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2745/5387/files/52682523396.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0683/5358/files/mematudutoxazopabasa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3059/4204/files/88672239868.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 4

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_off00005674.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5674 5024 bytes
SHA-256: ff0e87cae97d70990464b270032333b3bdd77039201e3104af9ef3ddca41f003
font_01_sfnt_off0000678f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x678F 9484 bytes
SHA-256: 5aa07acce9c6a9b8b809d894625c8e68cbabc1e8537bcc8f7683786ffc65c3ca

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