Malicious PDF — malware analysis report

Static analysis result for SHA-256 1dfc4c0d4dab5e4f…

MALICIOUS

PDF

49.6 KB Created: 2020-09-01 12:09:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d07534a54974850d1ae709dcbe795db2 SHA-1: 4ca2bdd072015fcfcee68eeede3cfa09fde6abae SHA-256: 1dfc4c0d4dab5e4ff78a6d554a2f7b1be732001f57fb1a5020c9afa97ed37b8e
194 Risk Score

Malware Insights

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

This PDF file contains multiple embedded links, with a critical heuristic firing indicating it redirects to known malicious infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains a reference to the same redirector URL. The presence of numerous links, including one pointing to a Shopify domain, suggests a link farm or phishing lure designed to redirect users to malicious sites.

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=callback+android+fragment In 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/1/0430/3382/1347/files/73878499388.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0345/9230/files/55090455605.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6601/5396/files/vi_commands_in_unix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7974/6207/files/ayushman_yojana_form_last_date.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8893/7120/files/39339557823.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_acc9996442cf4f24886946e74f2cdc9d.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/11f207_eb940b246dab40869d1f672783c46dcb.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/9e41f0_9379c5d5ea354fe6af5c509691fb98a3.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_03e43f3c253b4dedb96b00dbd9981e3e.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/6da380_89bb01d87a7f437f92d80ff87e5fef13.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/3be3a7_2c8c4ea4326b453ea5dfbe017974a089.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/a4e402_93c90f04584f445bb5611f33fd4a80f8.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/9f6a24_6503d87cb06740ae8ce20ab357512c6c.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 8

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_off00006136.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6136 5272 bytes
SHA-256: de06c16d52118d680968e65a5143bcd169dabc8bb39af53fd39724c823dec09e
font_01_sfnt_off00007308.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7308 2140 bytes
SHA-256: 3eadf3ff1ae85f7a2dd8be852d633ca148c1d24200a16cbd4325889adc5789c4
font_02_sfnt_off00007ce2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CE2 10564 bytes
SHA-256: 76e6c673df927ee418b9f77565cdfd93b5f79dd9bd828756ef42f6c254a35c25
font_03_sfnt_off0000a11f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA11F 16664 bytes
SHA-256: bf192b1231e9900984b7ead4524f82f7d6fd5788873c200c445560301f5d5eae

Open this report in the interactive analyzer, or submit your own file for analysis.