Malicious PDF — malware analysis report

Static analysis result for SHA-256 412b0ae0f2570409…

MALICIOUS

PDF

43.5 KB Created: 2020-08-24 18:49:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c365192e8e41bc2d65692f78c19e8194 SHA-1: e9c71efb859e9de0b5cdcec0ef91ffe6129e2725 SHA-256: 412b0ae0f25704096179f84d5b03c98c6a7f28a17e94c5b9aa0131e1ec1023e0
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external sites. One critical heuristic indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.com/pify?keyword=bleacher+report+new+england+patriots'. The document body, though heavily obfuscated, also contains this URL and other Shopify URLs, suggesting a link farm designed to drive traffic to malicious sites. The ML classifier strongly supports the malicious nature of this PDF.

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=bleacher+report+new+england+patriots In PDF document text
    • http://files.wordoflifemn.org/uploads/1/3/2/7/132740525/kozabepimojix-datarakawud.pdfIn PDF document text
    • http://files.creatovative.com/uploads/1/3/1/4/131453401/pametoxiro_jadorupa_sasobisedipu.pdfIn PDF document text
    • http://wesebado.katieanastas.com/uploads/1/3/1/8/131856543/bataxi.pdfIn PDF document text
    • http://files.alondraparkchessclub.com/uploads/1/3/0/7/130738984/likoki.pdfIn PDF document text
    • http://files.keithking.org/uploads/1/3/1/4/131411688/sewaropajutes.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/1/0437/0700/7127/files/26369226348.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1234/8315/files/pujaxumilenowop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4946/0636/files/activity_diagram_in_uml.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9377/0919/files/badlapur_film_video_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4029/3543/files/dan_poynter_parachute_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5869/1237/files/36819141320.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85583151980.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1145/5645/files/call_center_mock_calls_script_samples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0326/4667/files/luxaxizofo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7618/9346/files/40067705919.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0473/1300/files/30995184270.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7587/0630/files/dijuwesarelu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lomapatigusobotatijizu.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_off00006a6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A6D 5476 bytes
SHA-256: ad330df5ffcfcb74f8b940f3722319799ffc33f13a0b1c094f95227f209e8c6d
font_01_sfnt_off00007d11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D11 10568 bytes
SHA-256: f367b6f22feacc57314696ca5d0af39e20e426cd85a59a0ea02428ba1741bea1