Malicious PDF — malware analysis report

Static analysis result for SHA-256 1504684824a95589…

MALICIOUS

PDF

42.8 KB Created: 2020-08-09 13:46:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e8cda951563064cd6a6e34237707524a SHA-1: e65af3970b04dd0c0fbfce88179834a540ded132 SHA-256: 1504684824a955897c2b4381f52cb93423fd966c7e91cc2e9006380ae48236dc
194 Risk Score

Malware Insights

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

The PDF contains numerous links, with a critical heuristic firing indicating they lead to known malicious redirector infrastructure. The primary redirector URL is https://ttraff.com/pify?keyword=bosquejos+evangelisticos+cortos+pdf. While the document body is heavily obfuscated, the presence of embedded links and the ML classifier's high confidence score strongly suggest a malicious intent to redirect users to potentially harmful sites.

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=bosquejos+evangelisticos+cortos+pdf In PDF document text
    • http://geweja.comteachers.com/uploads/1/3/1/4/131437601/lebubudulowes.pdfIn PDF document text
    • http://files.2wolvesinc.com/uploads/1/3/0/9/130969381/d5b37d08ff72.pdfIn PDF document text
    • http://tufalara.lotusloveonline.com/uploads/1/3/1/4/131406893/bulunexa-sizajofirono-kalamovalodo-binijuxun.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/1/0430/6134/6466/files/2523181559.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7994/2812/files/circuito_de_la_comunicacion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6004/4710/files/fidubavibevofoxizi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8268/6370/files/88622436451.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0134/0319/files/mee6_clear_chat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8127/7348/files/jetitunezuloxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2980/5726/files/26991884770.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3885/0724/files/exercice_d_orthographe_cm2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6808/7717/files/25328121317.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6317/2502/files/59654217586.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zekimopesafirizaxos.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 4

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_off00006324.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6324 5636 bytes
SHA-256: d4979dc9f6e90a45068bb5c76773c2ff2f12b5cbc88cd4452d5811a3a51536dd
font_01_sfnt_off00007669.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7669 12016 bytes
SHA-256: 79eeca38e769cea0b6841941137f9acf67d99b729dc3947f29b1e45079cb20cc

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