Malicious PDF — malware analysis report

Static analysis result for SHA-256 594fe39cf8512a09…

MALICIOUS

PDF

57.5 KB Created: 2020-08-05 03:36:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a4e72f2257556bb8d9cc7fc6dedd19e5 SHA-1: e63b293ddc10bc37e50d9f0a339a3639e1029293 SHA-256: 594fe39cf8512a097bce2ead4ef8806f4035cf212f924837c00bce81ebbcc680
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is likely used to redirect users to a malicious site for phishing or malware delivery. The document body, though heavily obfuscated, contains the same URL, reinforcing its malicious intent. The PDF also exhibits characteristics of a link farm, suggesting a broader campaign 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.com/pify?keyword=barriers+to+communication+in+an+organisation+pdf In PDF document text
    • http://files.charlthom.com/uploads/1/3/2/7/132740309/muvedoze.pdfIn PDF document text
    • http://files.manchesterlifestyleawards.com/uploads/1/3/2/8/132813998/fedopovufaxulu_fajimetipasu_tufigaxuzetelu.pdfIn PDF document text
    • http://files.classof68organization.com/uploads/1/3/2/6/132681495/kamerenukazokobegul.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/1/0432/2331/8686/files/vururolarasuze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9159/0308/files/32919013009.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8344/5925/files/67743323652.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0811/5366/files/highway_78_accident_today_pa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5653/7493/files/lilevidugajovetisugavitu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3733/3406/files/angielski_sowotwrstwo_b2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5557/1356/files/miresawawe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3707/3314/files/xoberux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2312/3100/files/fukisifufemedematexam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6479/5044/files/programing_phillips_universal_remote.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8578/1405/files/kesonixilomivebedoveteso.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 6

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_off000093cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93CF 5376 bytes
SHA-256: ff3edcf67401f24c763d69f08fd18481bd952cbb9f4d707b5fa073357c17b436
font_01_sfnt_off0000a5fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA5FD 10748 bytes
SHA-256: 4e196925b1121fb2112e3b872619d946399c6510a0111d463abecc125eab3e35
font_02_sfnt_off0000ca7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA7E 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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