Malicious PDF — malware analysis report

Static analysis result for SHA-256 298da24b5d54aedb…

MALICIOUS

PDF

56.1 KB Created: 2020-08-19 01:59:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7f41a9785440ed357f8257669ec6aeab SHA-1: e34ff73b5f7d4437c62c6632b1675506418a2aad SHA-256: 298da24b5d54aedb7d8ca532a8bebc42807804852b264c5a382e2ca8547b71d2
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic firing indicates a PDF link to a known malicious redirector infrastructure at 'ttraff.cc'. The document body, though heavily obfuscated, contains the text 'Supply chain management pdf for mba' and the malicious redirector URL, suggesting a lure to trick users into clicking the malicious link. 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.cc/pify?keyword=supply+chain+management+pdf+for+mba In PDF document text
    • http://files.vytru.com/uploads/1/3/0/7/130776712/1c9ae906.pdfIn PDF document text
    • http://files.thienphuoccharity.com/uploads/1/3/1/8/131857115/gatozogemufumif.pdfIn PDF document text
    • http://files.stresswiseatwork.co.uk/uploads/1/3/1/6/131607163/faxuvavorano_rasunab_saroxarutenig.pdfIn PDF document text
    • http://files.maeveolynn.com/uploads/1/3/0/7/130775893/lomuvuwago.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/1/0428/0126/6851/files/14087044087.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6516/1366/files/65277980678.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7462/4419/files/22707715488.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5769/2320/files/26705735307.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1960/7962/files/jimabebozopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/21800621301.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5281/7832/files/27554508493.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5744/6050/files/wevaxusivimawule.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6966/1589/files/difepesokexoral.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2666/8952/files/3dplm_aptitude_questions_2016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3450/1535/files/81509440445.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3538/4225/files/circus_circus_menu.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 7

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_off00008dbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DBE 5616 bytes
SHA-256: fbb882632ab5f978f0e56a6a66d251243d427d0888ae19ed9c76c65638f715fc
font_01_sfnt_off0000a09d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA09D 10592 bytes
SHA-256: 867231335fe2961a92dcb2b59d5a0b202c11d248c728ddcc77d67feb0700ee3c
font_02_sfnt_off0000c4d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC4D5 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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