Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ff82accc09c82c7…

MALICIOUS

PDF

72.0 KB Created: 2020-08-06 15:32:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7206fe17035f021d39619dad0a8576b8 SHA-1: 655cda076d081580fd40e8d1eb756ee1bad40126 SHA-256: 0ff82accc09c82c7438bb2ec815f600aa41889baa1867d222e64918187d1e682
194 Risk Score

Malware Insights

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

This PDF file contains numerous links to external resources, masquerading as a free download for 'English vocabulary with meaning pdf'. The primary link directs to a known malicious redirector infrastructure, 'https://ttraff.cc/pify?keyword=english+vocabulary+with+meaning+pdf+download', which likely serves as a gateway to further malicious content. The presence of a large number of links suggests an SEO link farm tactic, aiming to attract users through search engines.

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.cc/pify?keyword=english+vocabulary+with+meaning+pdf+download In PDF document text
    • http://files.nayaung.net/uploads/1/3/0/7/130739833/2e89edb1ee7c.pdfIn PDF document text
    • http://files.firststepcleburne.com/uploads/1/3/2/3/132303286/3077189.pdfIn PDF document text
    • http://files.andrewbroomphotography.com/uploads/1/3/0/7/130775310/9be3c5b88fd891.pdfIn PDF document text
    • http://files.ilonayoga.com/uploads/1/3/1/4/131453733/dd2461.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3970/9605/files/payroll_accounting_bieg_toland.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3038/0698/files/belarigiwojigekesopuxatog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2630/7480/files/pinebuvir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6638/3768/files/56195045941.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4104/4118/files/91095887442.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5943/6951/files/caucasian_chalk_circle_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2883/0625/files/89962069529.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5880/7455/files/mokesodatebibisexit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6163/9318/files/wakijizafama.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0676/2905/files/nubonekuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41758367329.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3057/6295/files/viva_la_vida_guitar_chord.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6243/5739/files/foxudujun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4703/3752/files/38730411003.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://www.gnu.org/licenses/gpl.htmlIn 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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006e64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E64 15536 bytes
SHA-256: dc03ea806b561d760980d148884187c207a866734a0a2e98b5128a4aa5cb4a0b
font_01_sfnt_off0000a101.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA101 5920 bytes
SHA-256: b75de267abaf4c3de27b29884a86ecb1f3d638cf30cb5ff5d10d7b3b0cf5ea95
font_02_sfnt_off0000b515.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB515 9080 bytes
SHA-256: 83d921442a7e3399ee9a0e45ed4994ea634200b925299127b386700b7486a5b2
font_03_sfnt_off0000ceb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCEB3 10440 bytes
SHA-256: d10cc0bc014a3d3e017debda50bc3e8b2d9155c816833ae9f7690eb8a7dd6bb9
font_04_sfnt_off0000f1ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1EF 19264 bytes
SHA-256: 593eefa8d67bf31b52097e47ef494625954e7c8ad78a7feed1851ea6a9045107

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