Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4a95e201c63b86b…

MALICIOUS

PDF

50.1 KB Created: 2020-08-03 03:36:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8bb47f0ea39a86bb18d4fd4c4840ff0d SHA-1: e392b24cf0b93f84ab5e7d0290ffbfa43ecaad79 SHA-256: d4a95e201c63b86bd1c4ee8fa57080ee21ac0259675df86ae57da05528a4bbee
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure via the URL https://ttraff.cc/pify?keyword=converting+eu+to+rf. This suggests the document is designed to redirect users to malicious sites, likely for phishing or malware distribution.

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=converting+eu+to+rf In PDF document text
    • http://lakore.okto8online.com/uploads/1/3/1/4/131407818/sizozalosex-mafaxewuwip-gonapogurige-pitutep.pdfIn PDF document text
    • http://files.hempsteadxc.com/uploads/1/3/0/7/130739628/demojuvesogiwutife.pdfIn PDF document text
    • http://files.darkgra.org/uploads/1/3/2/7/132712235/navasularutuv-zozilotelinuje.pdfIn PDF document text
    • http://files.bellsandpeppers.com/uploads/1/3/2/6/132681602/7168086.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/1/0427/7056/3239/files/suvowobalijol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9702/2879/files/what_is_a_discord_webhook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0638/5573/files/podotuvizewabofodo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3065/9750/files/fuvavutukikaduzirus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9802/9733/files/9360554493.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2852/7776/files/29972612279.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3273/1030/files/latulojomozobox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9508/1635/files/rijirobafarewi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4292/0869/files/zomozaramitadiganimed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4852/5208/files/24113713229.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0509/1745/files/24417321964.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8452/9310/files/75802156398.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1769/9477/files/fikajutavulelegig.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_off0000837e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x837E 4480 bytes
SHA-256: bd0e2584ee4da51848292a79c3d9bbbde0c692e48256c396f1023841611ed628
font_01_sfnt_off000092db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92DB 12700 bytes
SHA-256: 243e4fdc5edafe2c2366fc511a14aadafb3088baf5ca491a506c2b0125037953

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