Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7d036087cadc16c…

MALICIOUS

PDF

43.2 KB Created: 2020-08-06 13:31:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cca2e207af655e7e96e07e4e4ca779b6 SHA-1: d388e3a4621e9ec363de794607525579c4df047d SHA-256: b7d036087cadc16c2d4271249e5dfda42e11f8b55e78965fd0d4b2c6cb4e48c2
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'airlines alliances pdf' and includes the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of multiple Shopify-hosted PDF links indicates a link farm strategy to improve search engine ranking and distribute malicious content.

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=airlines+alliances+pdf In PDF document text
    • http://files.candidworldreport.com/uploads/1/3/0/7/130774993/moguka_makorajed_vasebazubew.pdfIn PDF document text
    • http://files.maketheeffort.org/uploads/1/3/2/6/132695321/mijod_wegiretujajug.pdfIn PDF document text
    • http://files.lbjixxerstudio.com/uploads/1/3/1/3/131384636/loxijixum.pdfIn PDF document text
    • http://files.dadsandkidshealth.com/uploads/1/3/0/7/130775346/paxenirulu.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/1/0432/4173/4312/files/jezaluguripozopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0225/5770/files/28720825550.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9842/3967/files/wofumalitodutalas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8532/3683/files/7746493773.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0874/3835/files/10888425951.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8972/9438/files/pejugunaxesajevok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6961/2966/files/62527242282.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0581/2629/files/18120916820.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3348/5727/files/pobapizuwuseximupudedosa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9115/5361/files/bejedo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6041/0021/files/28167266773.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3341/9162/files/sejilixojoditawakomogutik.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 6

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_off000066b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66B1 5140 bytes
SHA-256: 6768899f4917aaac06c3c6d2e395d877c2a255a52888f88c25bd99a2e9f9e71e
font_01_sfnt_off0000783c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x783C 12436 bytes
SHA-256: ddb503d6acdf5b831ad61713b93b1f11674c0f08b424774f475b2dcd35b0e22b

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