Malicious PDF — malware analysis report

Static analysis result for SHA-256 95b3ff09be5147ef…

MALICIOUS

PDF

51.3 KB Created: 2020-08-03 07:08:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a63db1fb11c51ba6d8e571a301511f58 SHA-1: 3048f8049f2e3f1383ed4e504821edf45808d4b2 SHA-256: 95b3ff09be5147efbeb30efb122960e61ab67b5eb83a234b57c9c45c61e3cc03
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'state capitals zip codes' and the malicious URL, suggesting a lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify, likely 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=state+capitals+zip+codes In PDF document text
    • http://files.burkholdernutrition.com/uploads/1/3/0/8/130814676/fofojujinumo.pdfIn PDF document text
    • http://files.friendsofchristfoundation.org/uploads/1/3/1/3/131383889/7405099.pdfIn PDF document text
    • http://files.cemcaracing.com/uploads/1/3/1/0/131069869/8da3c559.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/1/0429/3158/5180/files/dajurutogazo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2112/2208/files/fe_electrical_and_computer_practice_exam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5100/5590/files/dejek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8279/2606/files/nuwazutesovopepakutox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6099/9830/files/risidixixiloguwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5042/5750/files/sonizozedoxerixikiwizobo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8305/4757/files/dogujogatajelojanasoxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9958/6714/files/najatezometirozapolimi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9423/5553/files/85379741290.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2338/5247/files/96165863317.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0151/2090/files/tezexevuputojifo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6280/4136/files/difeso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7519/0430/files/97416501365.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
🗂 Part of campaign: burkholdernutrition.com 5 samples

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008418.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8418 5124 bytes
SHA-256: 914760e82dbdb8c80ff372c5b394991b0fb82d7f8aa70f68bd58690f2dd1dec2
font_01_sfnt_off000095a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95A0 13180 bytes
SHA-256: 466100377bcb03c33fccf14e26210b0905afb1e6a23462dce89b49524f903895