Malicious PDF — malware analysis report

Static analysis result for SHA-256 baa02b1825900068…

MALICIOUS

PDF

61.5 KB Created: 2020-07-31 23:54:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d3acf4da13feb8ac42ff9725c1133d9f SHA-1: 28027b5392cecacbf43803ab28f06d9c7d92966b SHA-256: baa02b1825900068e31cb6138155da3a914b9f1fc97bdf6f11058cb3dbb22bd2
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to game mods and a URL that appears to be the primary lure. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector is likely a phishing attempt using a deceptive link.

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=sins+of+solar+empire+rebellion+mods In PDF document text
    • http://files.coyoteruntervuren.com/uploads/1/3/2/6/132681479/a65f40442e89c20.pdfIn PDF document text
    • http://files.pacificfinishes.com/uploads/1/3/1/3/131380107/fiwasujawewod_rugimova_rameviwep_katasarufi.pdfIn PDF document text
    • http://files.alxzandriachantiluke.co.uk/uploads/1/3/0/9/130969437/xutam_sarajo_tebokajal.pdfIn PDF document text
    • http://files.thesanctuaryatmn.com/uploads/1/3/1/8/131856184/d83262d07.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/1/0431/0210/9856/files/46209664932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3019/7910/files/sosovopefowip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9812/1119/files/madadajufiwezufawowid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2741/4696/files/gugumenazilubuvupa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7054/5308/files/23781587233.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0981/8272/files/29884728324.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6644/2406/files/mokurakowakijubile.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5924/7264/files/81819154494.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0428/0481/files/resaroguzatamosijidewiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1713/4502/files/lutesisuvelagalidu.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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_off00009501.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9501 5428 bytes
SHA-256: 8a4aa9b07c68148683f5f930f1d4dffe8ba8a9f20db316b238fffe3fc3bca663
font_01_sfnt_off0000a755.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA755 12944 bytes
SHA-256: ca326862a76adff6e7a3a3e50b6b16fc9eaa4ef4e0bda104ff4e9faa31644a43
font_02_sfnt_off0000d0ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0EF 16824 bytes
SHA-256: 0e807a5fb1ade6328544a9456951fff1b21fbfe5776a2d2a513f56588856cdc4

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