Malicious PDF — malware analysis report

Static analysis result for SHA-256 baf210c2b93f3d48…

MALICIOUS

PDF

36.0 KB Created: 2020-08-08 23:35:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 449c0373f73365255c338aebab44fc40 SHA-1: 17bdaf20876c7327a609b227a47f26899520753b SHA-256: baf210c2b93f3d4896bd78831844a25db99fd76680aab6cb0c8a17b1ffddbc1e
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a high number of embedded links, with a critical heuristic firing for PDF_SEO_LINK_FARM. One of these links, https://ttraff.cc/pify?keyword=antarrashtriya+vyapar+pdf, is flagged as a malicious redirector. The document body is heavily obfuscated but contains references to the URLs, suggesting a lure or redirection mechanism. The primary attack pattern involves leveraging these links for malicious purposes.

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=antarrashtriya+vyapar+pdf In PDF document text
    • http://files.robertstanhope.com/uploads/1/3/2/6/132682882/bedasizefasajej_nukirixav_gipud.pdfIn PDF document text
    • http://foteji.mobainfo.com/uploads/1/3/1/4/131482853/wesibisifokowe.pdfIn PDF document text
    • http://forexiwiv.rodolfoangeloni.net/uploads/1/3/2/3/132303035/wuselurufa-zosidobip.pdfIn PDF document text
    • http://files.barefootguide.org/uploads/1/3/1/4/131454420/5297148.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/1/0428/9835/8432/files/84113106953.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6830/1212/files/82605349269.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8147/2929/files/46030858687.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3246/8904/files/antipyretic_drugs_name_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9842/3967/files/77777549528.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7387/1767/files/bumoteperemuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7813/1611/files/54370202961.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/0871/5940/files/tableau_des_armatures.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4585/5137/files/14499040044.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/taridulozomoxekolakinuku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4600/8982/files/homedics_back_massager.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8275/2935/files/58816061964.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4007/2092/files/88737191897.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004d58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D58 5248 bytes
SHA-256: f1faa4d7a45d0d466b37c432b0090a30d06fba83b15cd040ccd6774b44aaffba
font_01_sfnt_off00005f3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F3C 10168 bytes
SHA-256: c906a2226674f9421ea9c8e951578a89a310bf1f6ad76cae4dfc9cf1d08a8e73