Malicious PDF — malware analysis report

Static analysis result for SHA-256 800df48ef49da36c…

MALICIOUS

PDF

37.7 KB Created: 2020-08-20 13:27:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 71f9d39ed87c4682d0f83772aac3b0f3 SHA-1: 4acd80145c2db1a66c5468fafafb4bb311feeaf8 SHA-256: 800df48ef49da36c6dc525726666e55dd2f80e03d23fe6e5ac88b74d9344010a
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically identified as a redirector used for phishing or malware distribution. The document body, though partially garbled, includes text suggesting it is an 'Ageing report 2015 european commission', which is likely a lure. The presence of numerous external PDF links, many pointing to Shopify, further indicates a link farm or SEO manipulation tactic to 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.cc/pify?keyword=ageing+report+2015+european+commission In PDF document text
    • http://files.aspireinsurancegroup.com/uploads/1/3/1/3/131380308/7418520.pdfIn PDF document text
    • http://files.volusiaschoolcounselors.org/uploads/1/3/1/4/131453559/puvononufuzezekuvuni.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/1/0440/2629/8533/files/veramepabegilenudo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6808/7701/files/types_of_bacteriophage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0436/9816/files/gexakapuwajox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3692/6374/files/sizapesinunabupadug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1492/1114/files/21043354731.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9970/8821/files/56542533414.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7795/8816/files/jusirufiroj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3826/8830/files/bayesian_statistics_for_beginners_a_step_by_step_approach.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 4

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_off000053d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53D4 5660 bytes
SHA-256: 91f50d6fe4035ac8e29478ff02ab62c2650cc3d25ec2fbe4756eadaae7750039
font_01_sfnt_off0000670a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x670A 10548 bytes
SHA-256: 13301015c7a1810e79314d1ecb6fca6f8d9fc2cc1bd9c8f19d617d226bcb817e

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