Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ef3afccafc064fb…

MALICIOUS

PDF

45.0 KB Created: 2020-08-19 22:28:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5ad60bc941f278c74d8a390964fe01a6 SHA-1: dc1aed08b0c9fa7fa0097b4d202ce344e1d56f62 SHA-256: 4ef3afccafc064fbf538fc9c71005cbd58e2bceb66ad0565b34395f9745efc7a
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=advisory+commission+on+rakhine+state+pdf'. Additionally, it exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on shopify.com, suggesting an attempt to distribute malicious content or engage in SEO abuse. The document body contains obfuscated text and a URL that appears to be the primary lure.

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=advisory+commission+on+rakhine+state+pdf In PDF document text
    • http://jubejilat.elizastollett.com/uploads/1/3/1/6/131606875/xaxuvizubobez.pdfIn PDF document text
    • http://zowem.simplyrustic2011.com/uploads/1/3/0/8/130814411/rojufilodif_gemuwobenudaseb_tafanuniwewuma.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/1/0430/2539/9971/files/56658820547.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3340/2266/files/71291352954.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2643/9582/files/58691530572.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9154/2681/files/stitch_me_up_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4888/6684/files/fefotojifix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/11383010616.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/0813/4053/files/deficiencia_de_vitamina_k_en_recien_nacidos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0820/4704/files/vizowu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8524/2269/files/kekaxikuxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2331/6630/files/warfarin_initiation_guidelines_australia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6078/9409/files/traditional_catholic_advent_wreath_prayers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0791/7729/files/fenima.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/sojowigemodagurudiga.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_off000063eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63EB 5368 bytes
SHA-256: c2912f262aa157f57994376edc5ebc19202e6d50272401172d6959ba2050642e
font_01_sfnt_off00007607.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7607 10268 bytes
SHA-256: d68c5745376a68b053f9f0476b7c980c00375f5f5b5d9791212abcfe3e1be5e0
font_02_sfnt_off00009909.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9909 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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