Malicious PDF — malware analysis report

Static analysis result for SHA-256 5eeb7947d6dae1c4…

MALICIOUS

PDF

32.5 KB Created: 2020-08-21 08:13:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e6529e797998ca87563627fc5b8b1f9d SHA-1: f359430014f074f13d28d503d196167e77fd0cdf SHA-256: 5eeb7947d6dae1c4d672c2f3648a127e0f7428f9e38f566a9a847900665c1619
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a malicious domain, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_UTM_REDIRECTOR_LINK' heuristics. The document body, though heavily obfuscated, contains text related to a weather report and the malicious URL, suggesting a lure for phishing or malware delivery. The ML classifier also strongly indicated maliciousness.

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=coeur+d%2527+alene+idaho+weather+report In PDF document text
    • http://files.aaroncalafato.net/uploads/1/3/2/6/132681245/tipoxinumokufifonexi.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/1/0434/3057/6278/files/zozepofejojisowe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0309/1876/files/residential_lease_application.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4564/8546/files/physics_formulas_gcse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1352/8987/files/manav_bharti_university_aicte_approval_letter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1310/2998/files/gogewudakimuxovofateveti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5085/2762/files/roland_buck_iii.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6661/2130/files/34608476125.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/3744/2457/files/33260754729.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0087/8488/files/xeloxidut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3606/5435/files/11765467663.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3051/9716/files/59123860325.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 1

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_off00004531.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4531 4900 bytes
SHA-256: ce4cd29d8f6da2586fcae976cd7957598147a17ab662a62ecd9b8fd0245c8c1c
font_01_sfnt_off000055e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55E5 9184 bytes
SHA-256: 50a407133c59d875e8a9aff7dbb7218f8cdbb1aeb72843f9cf92ccafa5b6d6b3

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