Malicious PDF — malware analysis report

Static analysis result for SHA-256 1734574a08d6e42f…

MALICIOUS

PDF

54.3 KB Created: 2020-08-24 08:41:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d3607f1bf7586302f9ff557c0de567b7 SHA-1: b784ba3f9c24e9a4228d00fcc5f5aef2c493c34c SHA-256: 1734574a08d6e42f56a8b67eeb69eb462fdc52405a7d7d30bcdc3ab31866551c
194 Risk Score

Malware Insights

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

The PDF contains numerous links, including one to a known malicious redirector at `https://ttraff.cc/pify?keyword=broadcast+receivers+in+android+simple+example`. The document body, though heavily obfuscated, also contains this URL and other links to PDF files hosted on Shopify, suggesting a link farm or phishing attempt. The ML classifier strongly flagged this PDF as malicious.

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.cc/pify?keyword=broadcast+receivers+in+android+simple+example In PDF document text
    • http://files.ecotek.org/uploads/1/3/1/4/131409498/gemonisalodan.pdfIn PDF document text
    • http://files.heartlightcharlotte.org/uploads/1/3/0/7/130776167/9332443.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/1/0433/0664/7717/files/86974735893.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9400/7191/files/tefonaxumedaziniluna.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2496/5019/files/18894808194.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7128/3098/files/63830608104.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2281/0268/files/fakagu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0679/5686/files/notaridipixozewepugomu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8517/6736/files/general_anesthesia_for_cesarean_section.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6073/9752/files/the_guide_handbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3278/6597/files/levodakukonasumuzuzosepun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4272/5275/files/42700688038.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5630/8123/files/70536343993.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_off000093e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93E3 5396 bytes
SHA-256: a1ad9498a8ec862c08b110e2b4df37fafdea54f066d94fbf95c7478a964a54ba
font_01_sfnt_off0000a629.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA629 11348 bytes
SHA-256: d37fa815b60ae83e20d743e13a962c273f75f82fb66a1f98f0efed745eeb2edb

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