Malicious PDF — malware analysis report

Static analysis result for SHA-256 16f97f3509020788…

MALICIOUS

PDF

52.0 KB Created: 2020-08-21 02:20:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 00857f883f6c9c31653fac89339da1a4 SHA-1: 3aae3f6113091e593d589dd9f219c6a306188d73 SHA-256: 16f97f35090207887de358f09020ba6c9766ed87103851ba6441a70bddd9e6d1
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a malicious domain, masquerading as an IMF report. The ML classifier strongly indicates maliciousness. The primary lure URL is 'https://ttraff.com/pify?keyword=imf+report+on+climate+change', which is also flagged as a redirector. The document body, though heavily obfuscated, contains references to this URL and other Shopify links, suggesting a link farm or phishing attempt.

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=imf+report+on+climate+change In PDF document text
    • http://files.houseoflady.com/uploads/1/3/1/4/131453494/2182004.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/1/0436/9291/6891/files/annotate_on_macbook_pro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3012/6490/files/wirizuzep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8199/0304/files/98114556903.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4131/6249/files/prentice_hall_physical_science_concepts_in_action_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5877/3662/files/salmon_fishing_guides_redding_ca.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7341/3032/files/55538087943.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/0136/7963/files/38613400954.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5293/4044/files/95676139740.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0333/0208/files/nuvigode.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0745/1041/files/3d_aus_navisworks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/6567/9512/files/rigezi.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 7

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

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006594.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6594 3468 bytes
SHA-256: c75fab4023b04558567791afd335c2739af0aec81b1faabc6d89b8b3bed1bb2e
font_01_sfnt_off0000720a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x720A 5188 bytes
SHA-256: 86507dc930d573b92be89dcc2247582c4359076b0236872debad267c2b343a69
font_02_sfnt_off0000837c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x837C 12460 bytes
SHA-256: 3897390ced5dfe4569e8c3b1beea8db715beee79071bcd8e98388fbe78741a64
font_03_sfnt_off0000abc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xABC3 16488 bytes
SHA-256: d6cec5d81403a3d70faea1540ef19555465bc704c2477342a2b01c02bc8a8e2b

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