Malicious PDF — malware analysis report

Static analysis result for SHA-256 96b07d6c347a1eab…

MALICIOUS

PDF

41.8 KB Created: 2020-08-09 16:41:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9f6fd2c0a59f217d1a845bfbf8c36ac3 SHA-1: 1416981718ba37e9f6411e75895e54d66d047e36 SHA-256: 96b07d6c347a1eab51e36879b81f167748126c64c1ff8ea4992b02b29235969d
194 Risk Score

Malware Insights

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

The PDF contains a large number of links, many of which point to external PDFs, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a malicious site. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and embedded URLs, further supporting the malicious intent.

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.cc/pify?keyword=sarajevo+haggadah+pdf In PDF document text
    • http://files.numerat.com/uploads/1/3/1/8/131871614/lavaxemagafator_giponu_nopupoki.pdfIn PDF document text
    • http://files.gowineusa.com/uploads/1/3/1/0/131070207/f1e1038.pdfIn PDF document text
    • http://files.crossculturetoolkit.org/uploads/1/3/1/4/131437515/guvivonizureraxiza.pdfIn PDF document text
    • http://files.trailsofhopeandterrorthemovie.com/uploads/1/3/2/6/132695258/8119993.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/1/0428/7679/7081/files/lukodawujokoxefisinenam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6676/9051/files/vifizin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23342697578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1892/7775/files/water_pollution_control_techniques.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2919/1066/files/banerji_protocol_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8495/5300/files/65128166699.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3631/0693/files/how_to_uninstall_mysql_mac.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6162/2437/files/99335225931.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2402/1664/files/sedentarismo_segun_la_oms.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7899/1520/files/dumakivawunenidozotovut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3305/1814/files/25406902102.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0921/0529/files/how_to_connect_echo_to_wifi.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

Related samples 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006606.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6606 5332 bytes
SHA-256: b9e1e455fef988d5014cb8fd13852f293baa7da4a7eb0d1f4ca06b00dc419b2b
font_01_sfnt_off00007830.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7830 9980 bytes
SHA-256: d86b0f881230575dd76d18fb03144a4ea3f2b40cf85ea366018f64817dc63cf3

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