Malicious PDF — malware analysis report

Static analysis result for SHA-256 40064b4846f5c2f1…

MALICIOUS

PDF

46.1 KB Created: 2020-08-15 03:53:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8a52dee40d4d907288e56428f1b247c9 SHA-1: 204697892d97a355adc8e5911df62746cdc50fcc SHA-256: 40064b4846f5c2f11fb6dca981e38e8ac8de08b5687bccc58b897f551855fdf8
202 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'mobile app templates' and includes a high number of embedded links, many of which point to external PDF files. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'https://ttraff.cc/pify?keyword=mobile+app+templates+psd+free'. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect users to malicious content. The presence of a large link farm further supports a social engineering attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=mobile+app+templates+psd+free In PDF document text
    • http://files.wbxztv.com/uploads/1/3/0/9/130969405/mawuwi-zulad-bogunan-lezumakowav.pdfIn PDF document text
    • http://files.spanishgrantbayside.com/uploads/1/3/1/6/131606668/xegowifo.pdfIn PDF document text
    • http://files.californiatradewinds.com/uploads/1/3/0/7/130776519/xurupususik-dovatikaku-powikajusa-rararomig.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/1/0429/6274/7545/files/18030201327.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6747/3046/files/personajes_de_dragon_ball.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4224/9631/files/vuwomupetinurazokiloroji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3033/2070/files/34251300839.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0256/8599/files/mokunaveg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0741/7253/files/6207201751.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6623/7852/files/53106564267.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1507/7022/files/income_and_substitution_effect.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/4956/1757/files/10615961976.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4283/1522/files/28502965259.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3216/7068/files/8202520933.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/8402/5751/files/baritone_guitar_chord_bible.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_off0000752f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x752F 5332 bytes
SHA-256: 0e2a0620f6e9c7b39ec0d1d76593490d862f39918d626b2e61c842dbaa6fcb01
font_01_sfnt_off00008731.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8731 10688 bytes
SHA-256: 866db74af1c1965b9daffe0640b49c4fe5c56004e51f8416f4174c2a407a04de

Open this report in the interactive analyzer, or submit your own file for analysis.