Malicious PDF — malware analysis report

Static analysis result for SHA-256 821122d5c307191b…

MALICIOUS

PDF

41.2 KB Created: 2020-08-02 12:57:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 01e01fe2ee3ac5d08d171fc7a7f5cedf SHA-1: f94c070fa65a911cb371c1305a75ee15ab56918e SHA-256: 821122d5c307191be222280860ea77d55d5e068922b60ce7dc414a56974165a6
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body, though heavily obfuscated, contains the same redirector URL, suggesting an attempt to lure users into clicking it. The presence of many links to benign Shopify PDFs alongside the malicious redirector suggests a link farm or SEO poisoning tactic to improve search engine ranking for malicious content.

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=millermatic+200+manual In PDF document text
    • http://files.simsburybasketball.com/uploads/1/3/1/4/131437276/zivirodixemuli-voretopuminus-nolinob-zujokage.pdfIn PDF document text
    • http://files.kaelynschmidtdesign.com/uploads/1/3/2/3/132302907/6051424.pdfIn PDF document text
    • http://files.samplucker.com/uploads/1/3/1/0/131070767/9fb79baa7426.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/1/0439/9579/1518/files/72880530460.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7073/2950/files/4458720105.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8778/2297/files/91289963369.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0702/5060/files/2788007595.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4863/8363/files/mamozivikebu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9390/7869/files/76315957277.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fiwowosilikaragufes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1673/3340/files/23933400087.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8937/9993/files/90374672753.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9943/7721/files/67725455539.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5463/6966/files/68043992264.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3694/1215/files/62410183781.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4858/2820/files/printable_letters_for_bulletin_board.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 5

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_off00005a5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A5E 5044 bytes
SHA-256: 3bb73d1305475ad6ccea91711522798a5ac27df5f2ec325eb9ccfc66e9623cf0
font_01_sfnt_off00006b71.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B71 14312 bytes
SHA-256: 0b9b005fcf0d5460d156a1196239937e6efddaad346af90e5c4a8ba49f7c20ac

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