Malicious PDF — malware analysis report

Static analysis result for SHA-256 60beae1d21f986d7…

MALICIOUS

PDF

58.1 KB Created: 2020-08-05 11:21:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 207bedd33edba1f1a240b6cb76f586c7 SHA-1: 54d3d635566663cc195a045cb682b892a58ec0aa SHA-256: 60beae1d21f986d776e618e645ee53da8c2b239abaca645c19e406b98373f67b
154 Risk Score

Malware Insights

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

This PDF document contains a link farm and a primary redirector link, indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious. The embedded link 'https://ttraff.cc/pify?keyword=boerboel+puppies+training+pdf' is a critical IOC, likely leading to further malicious content or a phishing page.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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=boerboel+puppies+training+pdf
    • http://files.myitinstructor.com/uploads/1/3/0/7/130739202/nozoxujasal-vakutopa-gudara.pdf
    • http://vuwawo.karenleecohen.com/uploads/1/3/1/8/131856725/naweminumi.pdf
    • http://xeponuv.dovespalace.org/uploads/1/3/1/4/131453247/58111b356edbe9f.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0434/2707/0104/files/xetomageso.pdf
    • https://cdn.shopify.com/s/files/1/0435/1364/3167/files/93172998745.pdf
    • https://cdn.shopify.com/s/files/1/0433/1179/2286/files/79401165623.pdf
    • https://cdn.shopify.com/s/files/1/0438/2133/4690/files/50493951465.pdf
    • https://cdn.shopify.com/s/files/1/0432/4058/7423/files/riesgo_relativo_definicion.pdf
    • https://cdn.shopify.com/s/files/1/0430/8582/4164/files/sopizus.pdf
    • https://cdn.shopify.com/s/files/1/0437/7742/5559/files/88294188854.pdf
    • https://cdn.shopify.com/s/files/1/0428/8439/9270/files/bujuvunoseri.pdf
    • https://cdn.shopify.com/s/files/1/0432/8076/0990/files/fiwirekukonoditizo.pdf
    • https://cdn.shopify.com/s/files/1/0431/6728/5408/files/68101542217.pdf
    • https://cdn.shopify.com/s/files/1/0434/0776/9750/files/lofuvisagidoxizuju.pdf
    • https://cdn.shopify.com/s/files/1/0436/3393/4496/files/lisozonu.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a5cb.bin
f61502e8347362d904a9d5fc1e69fa41ef4c548f9f65e9e9edc803bc349f07a0
pdf-font-stream PDF embedded font (sfnt) at offset 0xA5CB 5396 bytes
font_01_sfnt_off0000b82d.bin
c8430606c410b66c057fd8cc1891ad2e2d4e13e6f4518958bc1346dd2613829d
pdf-font-stream PDF embedded font (sfnt) at offset 0xB82D 10388 bytes