Malicious PDF — malware analysis report

Static analysis result for SHA-256 70664a67356645ea…

MALICIOUS

PDF

80.7 KB Created: 2020-08-20 07:27:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6a76317cab25e6ef561fde448df788ea SHA-1: 5555095926b2fe7faa2fdb41e992f9d0f10ab0d6 SHA-256: 70664a67356645ea179b733cc0bfb5f0ce5b3187fede38d9049dccfdc065101b
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, many of which are hosted on domains associated with link farms and redirectors. The primary malicious link, 'https://ttraff.cc/pify?keyword=vector+triple+product+solved+examples+pdf', is identified as a known malicious redirector. This suggests the document is designed to lead users to malicious sites under the guise of providing example PDFs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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=vector+triple+product+solved+examples+pdf In PDF document text
    • http://tebode.goldenpointpartners.com/uploads/1/3/0/8/130814229/gulegutotofuwuja.pdfIn PDF document text
    • http://files.generalhealthy.com/uploads/1/3/0/9/130969957/f9e0e8459f2df5f.pdfIn PDF document text
    • http://kemidesi.sellmyhousefasthoustontx.net/uploads/1/3/1/4/131453540/12af2769501c93.pdfIn PDF document text
    • http://files.manorhavenpta.com/uploads/1/3/1/4/131409442/1383973.pdfIn PDF document text
    • http://logaxus.realhomecashbuyers.com/uploads/1/3/0/8/130813780/7979230.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1741436775.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66916333827.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/blown_to_bits_abelson.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3343/6066/files/calculus_for_dummies_workbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7757/4562/files/bullet_journal_future_log.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1112/1063/files/cowboy_bebop_tank_opening.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7168/4252/files/65432164934.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5820/7651/files/40524126020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8833/7313/files/vefonipagu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6638/3768/files/81762222096.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1690/4104/files/xipazuwegav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1700/1368/files/43240515098.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6640/0666/files/agarose_gel_electrophoresis_download.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 3

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

Full JSON: related samples API

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bbb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBBB5 5168 bytes
SHA-256: 948b3e2ea175bd28d2e4fa02d211d653fd0847c77f98ec96ab2afcaf088c8038
font_01_sfnt_off0000cd4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD4D 2172 bytes
SHA-256: bf1804cbcf83f836578c5dbfda0438c9899b1b6a4352db3ffc2e86e67f94985b
font_02_sfnt_off0000d6af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6AF 17212 bytes
SHA-256: 4d0c9292aa543b176168a6d615ea664292002b87dc60e2de7e4c0665f49d8f75
font_03_sfnt_off00010cb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10CB3 16568 bytes
SHA-256: 0297fa9fbb29498f873a749eb2b97bc6a7ce550e55a2d8654ddbd72c98ea6911
font_04_sfnt_off000123bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x123BF 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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