Malicious PDF — malware analysis report

Static analysis result for SHA-256 2306cb4bb321c207…

MALICIOUS

PDF

37.7 KB Created: 2020-08-12 15:17:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 446c5acd7ae944ae8fe86ab13a8af63e SHA-1: c8e3d8bab853d5f32b03a48dcac4c034d163e05e SHA-256: 2306cb4bb321c20718b27c638f317ddf3b351dbdab67153ecf14863d2a85ed55
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=anthropological+foundation+of+education+book+pdf'. This indicates the document's primary purpose is to lure users to a malicious site. The document also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of SEO link farm abuse to obscure the malicious redirector. No scripts were extracted from this sample.

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=anthropological+foundation+of+education+book+pdf In PDF document text
    • http://lidinaded.redwoodpediatric.com/uploads/1/3/0/9/130969959/notud.pdfIn PDF document text
    • http://files.havenesthetics.com/uploads/1/3/1/4/131453605/kipoxawijexun_nasobibin.pdfIn PDF document text
    • http://files.chocolatewholesalestore.com/uploads/1/3/0/7/130776529/4919033.pdfIn PDF document text
    • http://files.harrietlevinmillan.org/uploads/1/3/1/1/131164157/2860476.pdfIn PDF document text
    • http://bamil.bamestate.com/uploads/1/3/1/4/131437423/c0ca90fb65975.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/1/0431/3926/8774/files/mitutoyo_vernier_caliper_500_196.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0848/2710/files/93397861675.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2287/5800/files/jujemerasi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60527157158.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4979/4213/files/lamikefirape.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2004/9822/files/zinofuwonaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2684/9700/files/81135138699.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3400/8987/files/breadth_first_search_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/8083/1396/files/spatial_data_science.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2021/2645/files/74735263496.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84770620138.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5840/5280/files/xolan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7257/7946/files/xujifuxowarisixiku.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_off00004ad6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4AD6 5316 bytes
SHA-256: 68becfc512551bd8b8c85e5a02de30b77902dfdf46123fd63c052e6e7d0ccfb8
font_01_sfnt_off00005cd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CD0 8900 bytes
SHA-256: 9b8b75df5c5c9934d12c29a22b6310f0fab14311d13112e7d76d1e1d78b1c8e2
font_02_sfnt_off00007b48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B48 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3