Malicious PDF — malware analysis report

Static analysis result for SHA-256 2502f9234fe9b11e…

MALICIOUS

PDF

48.0 KB Created: 2020-07-26 03:29:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8df98ef02142756cca84353d3a9660a2 SHA-1: 8974f7a9ab532a6a4f291cc3fc9c4fa426830e50 SHA-256: 2502f9234fe9b11ebf1c62071a10d6b036113e4696db6af91f90ce4e250837e8
194 Risk Score

Malware Insights

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

The PDF file contains multiple embedded URLs, with a critical heuristic firing for a malicious redirector link to 'ttraff.com'. Another critical heuristic identified a PDF link farm, with 'cdn.shopify.com' hosting numerous PDFs. The document body is heavily obfuscated, but the presence of these links strongly suggests a malicious intent to redirect the user to potentially harmful content or for SEO manipulation.

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=bhojpuri+in+song++video+gana+bihar In PDF document text
    • http://files.kansasmidwives.com/uploads/1/3/0/9/130969548/binumetabaraxoruju.pdfIn PDF document text
    • http://files.dywfineart.com/uploads/1/3/1/4/131438460/de5f7c07d612.pdfIn PDF document text
    • http://files.alxzandriachantiluke.co.uk/uploads/1/3/1/3/131379759/a6fd29388a.pdfIn PDF document text
    • http://files.fittingroomligonier.com/uploads/1/3/0/8/130814672/sodumavasoso_sugenufefigu_tinivotosuna_sezomojodupebe.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3301/0082/files/kazanutomurikod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wizivudid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6889/8966/files/80315618544.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3391/1705/files/zonatawelisigodazosebisuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/21884581804.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9780/7265/files/kekepon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0808/2598/files/65457959474.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vukabisozudetilo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7335/5419/files/42909232415.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6495/0945/files/guxalibituwuxuzil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0300/9430/files/rupefezuri.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 8

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_off000062e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62E6 5316 bytes
SHA-256: 8e65e1e88b53c6f7ae1f9d068c0627bf7ee142f682437a75fa4ee3b0852e9fb2
font_01_sfnt_off000074ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74ED 12752 bytes
SHA-256: 5c06b15ae72d74525c0e775cee7ca94c6e78178a1c4363761ceea2fde0538de8
font_02_sfnt_off00009dc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DC8 5824 bytes
SHA-256: 7613ff6d95761f7f12f5b0c6afcae428ad2ea9c3f19e1940d0b0f46606f60b05

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