Malicious PDF — malware analysis report

Static analysis result for SHA-256 948023630214076e…

MALICIOUS

PDF

41.1 KB Created: 2020-08-11 22:00:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8be80dac20eb1477478f7a35b7147024 SHA-1: 5445601e1b0d35dee240489d2ba20fe07d009c77 SHA-256: 948023630214076eae0fb688f16b97427897c390f49e884b26ee208459e6f9fa
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=chuy%25E1%25BB%2583n+file+pdf+sang+%25E1%25BA%25A3nh+tr%25C3%25AAn+iphone'. This URL is likely part of a phishing campaign designed to trick users into clicking through to a malicious site. The document body also contains this URL and numerous other links, many hosted on Shopify, suggesting a link farm or content-loading mechanism. The primary malicious IOC is the ttraff.com redirector.

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=chuy%25E1%25BB%2583n+file+pdf+sang+%25E1%25BA%25A3nh+tr%25C3%25AAn+iphone In PDF document text
    • http://files.lgheartministries.com/uploads/1/3/0/9/130969735/3774708.pdfIn PDF document text
    • http://files.sagardenclub.org/uploads/1/3/1/3/131398020/5aa8c60a4f897.pdfIn PDF document text
    • http://files.wildparrotsupclose.com/uploads/1/3/0/7/130740183/c33025c3.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/1/0431/5794/6522/files/fisicoquimica_atkins_6ta_edicion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5844/3941/files/bernard_lewis_crisis_of_islam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1819/6891/files/soul_music_discworld.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9495/7475/files/bsc_syllabus_pune_university.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0744/1053/files/homographs_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9993/1295/files/bunavumenuzabimerakemawi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0691/0887/files/29348780048.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5759/4011/files/how_to_remove_dropbox_from_mac.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4823/0297/files/jalovalupop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1637/2892/files/university_of_texas_austin_campus_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6019/8557/files/11885823393.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4261/1095/files/nesotukekuminesewit.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 3

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_off00005f91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F91 5936 bytes
SHA-256: d8f298275f2cd7f87f0275269edb84647940c65bd9c5dc1af39af73843d62cea
font_01_sfnt_off0000728b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x728B 10080 bytes
SHA-256: 909fd97f94e95d4a26fe3cebff6dc63e0cac72ec14fedbdeff217a445d28302b

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