Malicious PDF — malware analysis report

Static analysis result for SHA-256 038e728dfced3d0a…

MALICIOUS

PDF

50.6 KB Created: 2020-08-21 08:29:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 756815c978108503435f28e598c38e13 SHA-1: bf4cdd6827de578363135d0d4ab5731a097eda4e SHA-256: 038e728dfced3d0ae06e5937d2dfe65e923f40cf0d27933fa3473bcd27775744
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with one critical heuristic firing indicating it redirects to known malicious infrastructure. The document body, though heavily corrupted, contains a URL that appears to be part of this redirection scheme. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm designed to obscure the malicious redirector.

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=pestel+analysis+of+coca+cola+pdf In PDF document text
    • http://metigikiw.adventuresatyourdoorstep.com/uploads/1/3/0/7/130740572/9585232.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/1/0430/8933/0330/files/baxarezumuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8604/4572/files/how_to_cancel_adobe_subscription_without_fee.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0645/1094/files/3d_reader_adobe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6842/3334/files/topographic_map_activity.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4203/8182/files/toxusiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4921/2309/files/nitric_oxide_formation_temperature.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dobemajafapurotexujebo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1994/3579/files/vilikazasobisawuza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3651/5224/files/guwujavuvekukafonopemofij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4373/4172/files/97533375407.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4944/1688/files/depejeziliru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5199/9637/files/12316815122.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2286/7880/files/94926173947.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_off00007bab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BAB 4944 bytes
SHA-256: b9e9bd84d1817aa339486430dd57a079d4bc1912028a397697e2d5eb2cd9869a
font_01_sfnt_off00008c95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C95 10352 bytes
SHA-256: 894954a6d78e6ffde029d70f63399c7e679f3b2b34acc28e6a608e52124d97fc
font_02_sfnt_off0000af9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAF9C 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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