Malicious PDF — malware analysis report

Static analysis result for SHA-256 9cc732a045760e5d…

MALICIOUS

PDF

48.1 KB Created: 2020-08-29 13:20:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2cffbbdf46d69cc86b1a11c6de7c4aad SHA-1: b9e533eb35efdbf52f08608ba581329ff3534226 SHA-256: 9cc732a045760e5d8813b532915d7a377c58f9f8861007a67d93fb51cc4201d8
194 Risk Score

Malware Insights

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

The PDF contains a link farm with 20 external links, including a critical redirector link to 'ttraff.com'. This indicates a phishing or scam attempt designed to lure users to malicious infrastructure. The ML classifier strongly supports the malicious nature of this PDF. No scripts were extracted, but the presence of the redirector URL is a high-priority indicator.

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/wix?keyword=mad+dog+new+york In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_b7ab7b7970844811aeeabe7b5dd323dc.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_308bbcb111da4e6ebd05f5c33c41ef21.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_8298f1fa6bdb441c93f0ece271c65248.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_e9fe5c7cf4734e248ea9fe9fb341e3e3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2068/9306/files/1220604497.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7938/4744/files/lapezirovabafejunixugepob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/3896/1827/files/1st_rank_raju_full_movie_tamilrockers.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_e511861578134d5a9bc2ff5ac19faf37.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_040c7584a9a24ecc9a3cd31e372d9080.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_181913515b314ee7903a36ec8fd94bac.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 2

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_off00005c3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C3F 5044 bytes
SHA-256: 4c0709891f889c5a6f9f91e281c9c7565ac3d6d39fb744c1273cdb459b508580
font_01_sfnt_off00006d8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D8C 2132 bytes
SHA-256: e94caa4fabf4f8fc1bf5be931f95f4703bfc9438bfef6285093b0679c4fa52d7
font_02_sfnt_off000076ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76EE 11000 bytes
SHA-256: cad792b57ec2d4876649db7e95128b9c87165755e863e8d5313861620b86f55c
font_03_sfnt_off00009cb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9CB6 16788 bytes
SHA-256: ec78ce0df7dbefce41f99f849ae9aa8cae9cf43f11c0655e5f0a2668626366ab

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