Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e0325082ea0a7d9…

MALICIOUS

PDF

43.6 KB Created: 2020-08-08 13:38:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d8056bb62b2a69af4d0708196bc5d002 SHA-1: b66bfcb45dd7183c10fa769d6670a9d52ab8f6be SHA-256: 3e0325082ea0a7d9350f4d08fb1065d405dd141c7a415620d63b6b1202117c7e
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lure users to malicious content. The document body, though heavily obfuscated, contains text related to 'Ficha bibliografica definicion pdf', suggesting a social engineering pretext. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the ultimate destination.

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=ficha+bibliografica+definicion+pdf In PDF document text
    • http://files.dianastoic.com/uploads/1/3/1/4/131483266/f6ecce4b.pdfIn PDF document text
    • http://files.ontherockscrystals.com/uploads/1/3/2/7/132710743/deb68.pdfIn PDF document text
    • http://files.karaikudivoyage.us/uploads/1/3/1/4/131453485/6635c.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/1/0433/0687/7080/files/mokotutirajozejimus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6579/4969/files/91108785983.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9471/1203/files/metal_cutting_and_machine_tools_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0454/9531/files/45770195023.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1916/5086/files/84173372447.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8475/0741/files/53699479283.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0417/4233/files/23003022418.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4418/3970/files/24086769502.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0897/4235/files/65416191616.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5523/4710/files/36560542175.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7005/4805/files/76818131555.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/5244/4320/files/rural_area_certificate_rajasthan.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006996.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6996 5336 bytes
SHA-256: 0171f091ddc7c0d50e7204a1eb50b47f945ecf14a0a172aee383dcacdbe1da2a
font_01_sfnt_off00007bad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BAD 11116 bytes
SHA-256: cb4bab020f3b01217a12611cf28206ac7f0fb9ad50e87b3e13e17debb574372e

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