Malicious PDF — malware analysis report

Static analysis result for SHA-256 56f96c8b6dbd0d43…

MALICIOUS

PDF

45.9 KB Created: 2020-08-12 00:49:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6533381b721bacc003e2fdc390fd0c26 SHA-1: a19a7f207a5246964351b91825a310f28cfc71c9 SHA-256: 56f96c8b6dbd0d43d7d6525f77e299b2ee3d02cce20012721c57e4213a0982b9
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and title as the redirector's query parameter, suggesting a lure to a malicious site. The presence of numerous links, including the malicious one, indicates an attempt to drive traffic to potentially harmful 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=comparative+superlative+pdf+worksheet In PDF document text
    • http://bisoba.misskatiesdancestudio.com/uploads/1/3/0/7/130776760/jutuzegezedu.pdfIn PDF document text
    • http://files.tramitesexpressinsurancega.com/uploads/1/3/1/8/131871699/fodixobivobipu_pijiwebamofid_kemuz.pdfIn PDF document text
    • http://files.browncountyhumaneshelter.com/uploads/1/3/0/8/130813134/durixigox.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4888/5662/files/neger.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3851/4071/files/causative_verbs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0147/8300/files/alfa_laval_purifier.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7809/0901/files/vitored.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7510/9013/files/90002640237.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0053/4952/files/1483677124.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7743/5556/files/95618189461.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5148/2278/files/73083825960.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1974/7996/files/dasazerepilodowarizeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6369/6799/files/42575395626.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0921/9492/files/sumen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9158/3391/files/net_interview_questions.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006641.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6641 5296 bytes
SHA-256: 3eb7e26d3c63e24ce10ca0ec5461b9c0983254a2f552414c400002c1b281c463
font_01_sfnt_off00007859.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7859 10592 bytes
SHA-256: 5febe6c316e16cdd137f161f2fe214e9e5389dea00aba8d8e6b433dcf7247323
font_02_sfnt_off00009c91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C91 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2