Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f2be46ad00d2062…

MALICIOUS

PDF

43.8 KB Created: 2020-08-22 09:22:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5b5a748370b72933ea72c75f4d633f74 SHA-1: 1379bcb1cbebb902cee714c134c58d82538a5746 SHA-256: 0f2be46ad00d20627a8752a1c82e1a03dc4ac7a57d211df1b439c338e335c93d
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector URL (https://ttraff.ru/pify?keyword=the+blind+side+book+pdf+free) identified as malicious. This suggests a link farm or SEO poisoning attack designed to trick users into downloading potentially harmful files. The ML classifier also strongly indicated maliciousness.

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.ru/pify?keyword=the+blind+side+book+pdf+free In PDF document text
    • http://files.dirtyharryserotics.com/uploads/1/3/1/0/131069819/8a5670.pdfIn PDF document text
    • http://bulabak.iewad.org/uploads/1/3/1/4/131453540/9203477.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/1/0431/3851/5098/files/55001012699.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8094/9658/files/poremofonatazevugojeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9452/4579/files/37399054216.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8482/3205/files/le_liberalisme_politique.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0365/7887/files/gta_sa_radio_stations.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8102/3132/files/67490702990.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9869/4049/files/fofipuvetulixodu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6924/3549/files/sadokujelexakijibalagelov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9842/3967/files/30250917401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4727/3116/files/garivozevigulewanipuj.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000607e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x607E 4780 bytes
SHA-256: a529af8bd9561e52a64878714215916c980f0ab803653c087f8569c16c363571
font_01_sfnt_off00007097.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7097 10552 bytes
SHA-256: 13e3e84b4aa4f08064a4a5f63607063f0679bcec21badabf34f570e03f1e9185
font_02_sfnt_off00009491.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9491 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3