Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fb19daf321c3162…

MALICIOUS

PDF

55.0 KB Created: 2020-08-02 23:25:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3ba2365e2c57eaef6919fa62dea241ec SHA-1: 30a42c9afc7643c4e290925b9ee9a2018ba06695 SHA-256: 2fb19daf321c3162d03fe7ad25cae4cbdb81e75a92460419e55a57cf2760d56d
194 Risk Score

Malware Insights

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

The PDF file contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'the other wes moore online book pdf' and the malicious URL. This suggests a lure to trick users into clicking the link, which then redirects to malicious infrastructure. No scripts were extracted, limiting the analysis of direct payload execution.

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.ru/pify?keyword=the+other+wes+moore+online+book+pdf In PDF document text
    • http://files.sachabas.net/uploads/1/3/0/8/130874493/nomimefozapolaw_paxunefu_juniv.pdfIn PDF document text
    • http://files.redskinscheerleaderalumni.com/uploads/1/3/1/4/131483234/da97c9.pdfIn PDF document text
    • http://files.empirecoffeecompany.co.nz/uploads/1/3/1/1/131164456/tazinusevuda-rejodev-renewof-tutibitevizugi.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/1/0431/9825/1165/files/tizajesig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8157/8136/files/30066049629.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4003/8298/files/82552303103.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0428/7383/files/mosuganivinubifabigap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3239/6447/files/36142646750.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9812/1119/files/juwegire.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4872/2851/files/26664123462.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66491839223.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4635/4592/files/45785803956.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5404/7137/files/fraction_decimal_percent_chart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8576/5535/files/mubivon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7338/8190/files/41286139939.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 2

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_off000087fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87FA 5104 bytes
SHA-256: 311dbffd3f1f3f191f7b7645e5be46323c5ccaff7e0c8b5f2fc44f7c7e5f4e5e
font_01_sfnt_off00009937.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9937 13600 bytes
SHA-256: 93ac6e6eff90675d813ebcb716cb354eb97b96fd10db74e926f676f852d66715
font_02_sfnt_off0000c0e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC0E3 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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