Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a7eaa3f5cf8e4e0…

MALICIOUS

PDF

34.0 KB Created: 2020-08-04 14:51:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 362fb9d5e75b67f6a936631705144fd8 SHA-1: f0f7d9146e16c355e558e2dd353e753e300744db SHA-256: 6a7eaa3f5cf8e4e02a164829937eb1fd52f773d970e9e36fa8274a49662a3f78
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, many of which point to a redirector service (ttraff.com) that is flagged as malicious. The document body and heuristics indicate a lure for downloading a PDF, likely to distribute malware or phish for credentials. The presence of embedded URLs and the SEO link farm pattern suggest an attempt to drive traffic to malicious sites.

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=agriculture+dictionary+pdf+download In PDF document text
    • http://files.melonilab.org/uploads/1/3/1/1/131164275/pobakopukokesat.pdfIn PDF document text
    • http://files.foodandwinecyclingtours.com/uploads/1/3/0/8/130874566/2486292.pdfIn PDF document text
    • http://files.topsailrigging.com/uploads/1/3/0/9/130969048/wadejidezuwuw.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/1/0431/1656/0550/files/pejopu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1656/9500/files/letoguvutujapakokepuxare.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1510/0826/files/74363866689.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2916/8282/files/55720692300.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1140/0102/files/82071865557.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1587610690.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4795/0248/files/30833275036.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3075/8054/files/metal_gear_solid_ringtone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9900/4831/files/sepegogo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3810/5000/files/2883534660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0657/4240/files/netitobetavufuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5625/1559/files/22951111071.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 3

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_off000048a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x48A7 5328 bytes
SHA-256: c9523f7ed3f2a860f1d5a0621f2ff305d306162ec253cf007110046cef932456
font_01_sfnt_off00005af1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AF1 9396 bytes
SHA-256: aaea34667681e60d6b20661e382385f93276a98ffb094c04b37545e9bf40f0d4

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