Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5bf654ff57d44b6…

MALICIOUS

PDF

44.9 KB Created: 2020-08-19 01:05:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 594e73a2a19570c6044de186d0e235bd SHA-1: 69a52e25cc88390f0979886369e84268ad399eef SHA-256: b5bf654ff57d44b6199bce646fdd4daba00ceafc822a84590dda601cce837148
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on Shopify. The primary malicious URL is 'https://ttraff.com/pify?keyword=real+answer+to+8%252F+2%2528+2%252B+2%2529', which is likely used to lure users to a malicious site. No scripts were extracted, and the document body was unreadable, but the presence of the redirector and link farm strongly suggests a phishing or malware distribution attempt.

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=real+answer+to+8%252F+2%2528+2%252B+2%2529 In PDF document text
    • http://files.bacorpseptic.com/uploads/1/3/0/7/130776164/3ad5b27fb2926e.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/1/0427/8134/3900/files/kimazogobevigaxololoremun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0778/6651/files/82695651667.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8342/3126/files/buddhism_in_japan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4608/2472/files/13414485704.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7679/4021/files/85789141819.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2132/8807/files/domanajebekodedar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1052/2279/files/pujabojaretimogenivade.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8847/8359/files/69739370781.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8117/9029/files/gakunum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8249/7701/files/22791552551.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2670/1723/files/15560831862.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1785/4366/files/wovofivudewa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0457/5857/8852/files/manual_de_taller_chevrolet_aveo_2006_gratis.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 1

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_off00007087.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7087 5296 bytes
SHA-256: 909296803af1d3909721a55301c4c1aa050e085f410d7d6d10e7693036d2c3e2
font_01_sfnt_off000082bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82BB 10600 bytes
SHA-256: 69ea43fe494b726568243edfaa68576d0e9b1dfdbfa9c7ac6bc22697afd845e6

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