Malicious PDF — malware analysis report

Static analysis result for SHA-256 89d5e92397f476a4…

MALICIOUS

PDF

51.1 KB Created: 2020-08-23 06:13:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ad69da87b32669967662baebaadb93c9 SHA-1: 8ce18d9b664065b0db4a88957a5583219b528a2c SHA-256: 89d5e92397f476a4a870e1f8a6af6761b6a8468519ca91c7defcf3cfd6d82a3f
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical redirector link pointing to ttraff.com, which is flagged as malicious. The document body, though heavily obfuscated, contains text related to 'Sust admission test result 2018-19 pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of multiple Shopify URLs, some benign and some unknown, indicates a potential attempt to blend malicious links with legitimate ones. No scripts were extracted from this sample.

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=sust+admission+test+result+2018-+19+pdf In PDF document text
    • http://xifugi.ps31artsmart.com/uploads/1/3/0/7/130775934/wumutanif_wotonesemubu_nikasoriruxa.pdfIn PDF document text
    • http://files.mariposacelebrations-eventmanagement.com/uploads/1/3/0/7/130740143/gijosupid.pdfIn PDF document text
    • http://files.wellsheltered.com/uploads/1/3/1/1/131163736/revuje_lorajajavupude.pdfIn PDF document text
    • http://vetejenet.rustictreasuresjewellery.com/uploads/1/3/0/8/130814328/ravudoxewa.pdfIn 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/1/0428/7463/4403/files/92134850541.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2418/5506/files/64013154676.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/5186/4484/files/tesifuzilozezos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4693/5447/files/kufaxul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2199/1079/files/viking_newspaper_report_example.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8025/3593/files/25027751785.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6488/3355/files/digirixi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/4271/8115/files/bongo_flava_songs_free_wapmight.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4235/4853/files/cpr_guideline_2020.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.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Related samples 4

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_off00006855.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6855 6000 bytes
SHA-256: 30c3b98964104b8520269d46fe87338256506167316275a6bf04b5f5b3a82ea6
font_01_sfnt_off00007c9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C9B 9620 bytes
SHA-256: 48dcace4197eab8ba6291f1315c735b3c0d0d22bb7100080ee14d0b330b8ca82
font_02_sfnt_off00009abd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9ABD 10584 bytes
SHA-256: 029a4749714b549e5a66133698b40fb3541df73def3c040518009ca0509df470

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