Malicious PDF — malware analysis report

Static analysis result for SHA-256 04fbb9a52891504e…

MALICIOUS

PDF

54.0 KB Created: 2020-08-07 09:57:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 67c816b7a2b2abfcb6f0edb94eaa3de0 SHA-1: 4de8a745c4eaf76d2703afe1e10ee69bbd659290 SHA-256: 04fbb9a52891504e5b871a8255307ae7d2ec99f44bf2f56b284c9593ccde5b15
194 Risk Score

Malware Insights

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

This PDF file utilizes a link farm and SEO redirector to distribute malicious content, masquerading as legitimate documents. The embedded links, such as the one pointing to 'https://ttraff.cc/pify?keyword=authoritarianism+definition+pdf', are designed to redirect users to potentially harmful sites. The ML classifier strongly indicated maliciousness, and the presence of numerous external PDF links further supports a malicious intent to distribute further payloads or phish users.

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=authoritarianism+definition+pdf In PDF document text
    • http://files.bluecruiseturkeytours.com/uploads/1/3/1/3/131384249/mirazasaxidaxugux.pdfIn PDF document text
    • http://files.iaqinspect.com/uploads/1/3/1/4/131438501/zefemimozojaxis-satuwuwaxiruzas-zalukifodig-lageranejenaji.pdfIn PDF document text
    • http://files.thesportdome.net/uploads/1/3/1/4/131453998/2ecc546388dc09d.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/1/0432/5684/0354/files/jutagawogalalexozer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3171/4199/files/nuxexalimo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9941/3925/files/divurudaxokumu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8344/0030/files/theileria_life_cycle.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6785/9359/files/62425755300.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9693/2501/files/case_study_approach.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96258555683.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2131/0880/files/fuliw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4238/1725/files/tales_of_vesperia_sunken_grotto.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000089ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89BA 5120 bytes
SHA-256: 9789835b8b56848b7cfb0c151a1cc2b60bffd5f05a6ca34e27f0dee6068c26a1
font_01_sfnt_off00009aef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9AEF 9980 bytes
SHA-256: e33001cbad88bd6e06115b03481c5809618c3bfcc05a0149cd826930516166ee
font_02_sfnt_off0000bd0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBD0A 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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