Malicious PDF — malware analysis report

Static analysis result for SHA-256 767216eff86ab407…

MALICIOUS

PDF

45.6 KB Created: 2020-08-11 14:43:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 025e09420642db1df6c314fcd9d2f6da SHA-1: 769707d4cbeb04b5726f43633d11a5f4aee3392d SHA-256: 767216eff86ab407ce705cddc22f89a56dd3910b4140ba79bac56b1cfa0d238e
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, including one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains references to the redirector URL and other PDF files hosted on Shopify, suggesting a link farm or phishing lure. The ML classifier also strongly indicated maliciousness.

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=angelus+novus+pdf In PDF document text
    • http://nedigi.theguarantee.org/uploads/1/3/1/8/131856772/7a919db8475ec6a.pdfIn PDF document text
    • http://files.nancymontoyareports.com/uploads/1/3/1/4/131453206/nejaxujukevasukusoba.pdfIn PDF document text
    • http://files.ronellesart.com/uploads/1/3/0/8/130815026/lelodoratarutukijolu.pdfIn PDF document text
    • http://files.studythebibleyourself.com/uploads/1/3/2/8/132815220/tenamapofozisuv_vujadibixape_zonamewema.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/1/0431/6499/1637/files/pizakulanadexexivu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7801/6406/files/wasuxor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4393/6673/files/aasm_scoring_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0469/6472/files/limewire_for_mc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51982080438.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0426/4601/files/talorot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3250/1656/files/38539494215.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7146/3831/files/86211910370.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4447/0933/files/dinogefow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8914/9608/files/ielts_sample_reading_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8668/3037/files/11584968464.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3264/0679/files/ritivivono.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0572/8152/files/how_to_live_on_24_hours_a_day_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7336/2325/files/94513203655.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: studythebibleyourself.com 3 samples

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006817.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6817 4708 bytes
SHA-256: 2a1308cbab7c3180ebd0c18c701a8052fd3561f56ba9656596f911db62531767
font_01_sfnt_off00007830.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7830 10480 bytes
SHA-256: a0e41ab39f1e80aea4a689330ee892507a6b5592dcc0e59974beb00a8dfbab1d
font_02_sfnt_off00009b8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B8E 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2