Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e222a2b9034e506…

MALICIOUS

PDF

53.4 KB Created: 2020-08-06 02:48:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 83c5080b7a68238998990e37dc74604e SHA-1: 3d3722b5fec1cd3fd05f789fe6b1634cd6d8c59d SHA-256: 4e222a2b9034e50655735921191f0bef381953891fb8210bced71264bbf118ec
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure, pointing to a redirector service. This service likely leads to a malicious payload or phishing page.

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=blaise+cendrars+pdf+gratuit In PDF document text
    • http://files.asgfitness.com/uploads/1/3/1/8/131856232/laluvaruj-penajugexo.pdfIn PDF document text
    • http://files.seattlefirstbaptist.org/uploads/1/3/2/3/132303080/81e42db7c9176.pdfIn PDF document text
    • http://files.twamemorybook.com/uploads/1/3/0/8/130874358/fdf26dee5fc23.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/1/0429/0176/6310/files/zodewatujokaxusirewawom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31056735454.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5742/2229/files/convert_to_mov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4587/8950/files/42383970776.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6699/7398/files/vawupikusisozomotisitizi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6827/7415/files/waxiwosabofibitewag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8535/7463/files/bodifixef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3491/8558/files/bomelaguzis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8924/7894/files/2611248176.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76423385748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6728/5410/files/3943922728.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7727/1703/files/tamumenipeba.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_off00008da6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DA6 5372 bytes
SHA-256: e2754e8f0954d26c1e7a0f4e61137e3d845bbfc4164c5947e862c478c2c58652
font_01_sfnt_off00009ffb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9FFB 12564 bytes
SHA-256: 153e5b951716d89fe2c3cd31ca4e6921b51e66834ab2b65ddabed3ce568e2068

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