Malicious PDF — malware analysis report

Static analysis result for SHA-256 8cf4743d2482288a…

MALICIOUS

PDF

36.1 KB Created: 2020-08-15 00:33:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 42d57630ab8a5c54207ecc7c13009d79 SHA-1: 5aa4cfad5fa7246ee690d6c4b341207565e2406d SHA-256: 8cf4743d2482288ab8e782949195d2da288e0ab72c4571f8ddf0eaf70e781d94
202 Risk Score

Malware Insights

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

The PDF contains a link to a redirector service, which is a common technique for delivering malicious payloads. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=avee+player+heart+visualizer+template' and numerous other links to external PDFs hosted on Shopify, suggesting a link farm designed to obscure the ultimate destination. The presence of a 'download button' heuristic further supports the lure-based attack pattern.

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=avee+player+heart+visualizer+template In PDF document text
    • http://gurigu.katherineinezmesa.com/uploads/1/3/1/6/131636826/9144126.pdfIn PDF document text
    • http://fuwega.domicilyachthotel.com/uploads/1/3/1/4/131453109/zekomo.pdfIn PDF document text
    • http://files.forttryonviolinstudio.com/uploads/1/3/2/6/132695546/a35554248.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/tomazemajetel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3311/6315/files/64942220812.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4160/2198/files/wrightsville_beach_cams.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6244/2646/files/86532275787.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5762/6792/files/battletech_era_report_3062.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7868/0730/files/lurufuvenamene.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4228/2399/files/98933331875.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8907/6117/files/81140842099.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2795/4840/files/kodogonasoxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8415/9903/files/sins_of_a_solar_empire_rebellion_cheats.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1869/0458/files/pobegowenimores.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1446/3394/files/81040844142.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004fcf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FCF 5260 bytes
SHA-256: ce68dd9b9f81a67fa830bb1c90bb90dad8806ff07b9652ca876e8d84d983eb8e
font_01_sfnt_off000061a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61A1 9972 bytes
SHA-256: 835654a4f18d8d5168dc071e357d329c39766f2ac561173d35d8d2e738f25d2a

Open this report in the interactive analyzer, or submit your own file for analysis.