Malicious PDF — malware analysis report

Static analysis result for SHA-256 1443c3c124225537…

MALICIOUS

PDF

162.1 KB Created: 2020-09-06 20:03:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d2d204be19e5a5ebf41c3aa7d3dc5416 SHA-1: 8ef51ed35cf99b4f82f2470ae2b196418aba8fb7 SHA-256: 1443c3c1242255377a0b792c38b20d1b61afcf9493dad85272f583134b4ea4a0
134 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised with a lure about 'Ajanta caves paintings'. This suggests the document is intended to lead users to a malicious site, likely for phishing or to download further malware. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • 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.
  • 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=ajanta+caves+paintings+pdf 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/1/0434/1081/7180/files/samsung_mobile_themes_app_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5936/3496/files/91120053268.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7300/9819/files/98586742126.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9613/7111/files/astrology_answers_tarot_deck.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/6742/9279/files/xixogexusezuwopedi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1479/9012/files/turakaserexaruvaxowanino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13879903487.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2525/3023/files/86392476736.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8366/8392/files/29775317076.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/5fd5c1_9282e1e3ae93422891bc271f6056e552.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/3649d2_646b6147002647a2a57fc6c0c3498c9d.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/61f964_bde1994c92604a14baccff0d1aff05a6.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/6908d7_045361a9c4fd4148ba3f9e1c703a57c3.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/83b1b3_0b8b32ee5ccb4ecfa4cadd8f078b820f.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/e2c250_1d8124c2746f45eeae34ee4eff7f4d1a.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/2ca22b_6d54d8fd71d049ccac9ac8ea8c733f55.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/1df9ea_acfcae17b1ff4e379b7af9e154ca5184.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/d54300_31da12ed43fa47f5bafb5647e41ab79e.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/c75f60_bc354f14cc944caea8ed36485c95f146.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 1

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023641.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x23641 3796 bytes
SHA-256: 7438dc61928a8b9946bd559d00e20d610e3e1cb92f68126c4829ae87fdc272f5
font_01_sfnt_off0002439f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2439F 5320 bytes
SHA-256: 863c89e46a334c88b7fda7e4ead3205083e0d50c68b85ba7cd566136f95f49fe
font_02_sfnt_off000255e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x255E3 10788 bytes
SHA-256: 4e64f13748eb43f7c55956b681013c49227b2e2bc5a61acd653abf08cfc2a985

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