Malicious PDF — malware analysis report

Static analysis result for SHA-256 90595dad1d2f1ebb…

MALICIOUS

PDF

53.9 KB Created: 2020-08-03 03:34:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ae6a71d49f263a0631e8d1740a0d065a SHA-1: de036b7270aa4880d311d42c93aa6fae84bb31c3 SHA-256: 90595dad1d2f1ebb88b25ceab241b6f713a2619105249a014ad55886490e7536
194 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, many pointing to Shopify-hosted PDFs, indicative of a link farm or SEO manipulation. One critical heuristic identified a link to a known malicious redirector at 'ttraff.com'. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, but the presence of the malicious redirector and the link farm strategy suggests an attempt to lure users to malicious content or manipulate search engine results.

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=the+carter+4 In PDF document text
    • http://files.selectscotchwhisky.com.au/uploads/1/3/1/0/131070820/witato-puriw.pdfIn PDF document text
    • http://files.nicolerim.com/uploads/1/3/0/7/130776847/4761e.pdfIn PDF document text
    • http://files.cshwhalingmuseum.org/uploads/1/3/0/8/130874588/1682034.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/1/0432/7417/4624/files/free_shooting_targets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3137/9618/files/kasiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7699/3695/files/15099384127.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8909/8907/files/wurabikidozef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0537/7701/files/28077122973.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9105/7058/files/24313519323.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6317/2502/files/jaxibilaxeveponefodapako.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46824776831.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8452/9310/files/kijedejogobetedur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0334/7097/files/85590376226.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6231/3631/files/63354947166.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6278/0311/files/zoziwoxosejetofezepefup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1322/4094/files/73069966179.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4922/2298/files/kerorogimuxupided.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000970f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x970F 4712 bytes
SHA-256: 7fd3734f3ee9781aaa499b234e6bbe3afd1b30b33bf249d5d39eec56320c5690
font_01_sfnt_off0000a70f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA70F 10668 bytes
SHA-256: b40e985d4e32d7607ed0dfcb80e4862930e730152ee29f15947ac178d129de40