Malicious PDF — malware analysis report

Static analysis result for SHA-256 0da3eaeb31c5dfb8…

MALICIOUS

PDF

163.1 KB Created: 2020-08-05 01:37:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f37d30eb5e666914165776c33b8bd60e SHA-1: 10566f0fe991a26c9dc80800f44b2acfefe1d439 SHA-256: 0da3eaeb31c5dfb8f4bff9bf2e04f43697f99aafe2d0ce514ac914424b4b7595
134 Risk Score

Malware Insights

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

The PDF contains embedded links and text that promote a free download lure for 'Android studio tutorial pdf 2020'. The primary URL identified, 'https://ttraff.cc/pify?keyword=android+studio+tutorial+pdf+2020+free+download', is flagged as a malicious redirector. This suggests the document is designed to lead users to malicious infrastructure, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • 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.
  • 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=android+studio+tutorial+pdf+2020+free+download In PDF document text
    • http://files.maltron.com/uploads/1/3/1/4/131438011/4357872.pdfIn PDF document text
    • http://files.charlydigital.org/uploads/1/3/2/6/132682647/vemumazobigatod.pdfIn PDF document text
    • http://files.kylemichelleweddings.com/uploads/1/3/2/6/132681916/6104258.pdfIn PDF document text
    • http://lutewo.porttouristpark.com.au/uploads/1/3/0/8/130874474/4330360.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/1/0435/9880/7202/files/61132562672.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9613/7111/files/xutapofegijitixesiju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7510/9013/files/36820878814.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9140/9561/files/fb._com_logout.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4325/8519/files/9948976251.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6819/4978/files/vumixinababufilinefed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3942/4669/files/bibum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zitadeduwifugegumav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6314/8695/files/dosirefimexuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2494/9153/files/betobi.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_off000249b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x249B5 5392 bytes
SHA-256: 12de6c836042636841def63e77f7f7305051cad17ce7199c5a0c0465a62d925f
font_01_sfnt_off00025c26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25C26 9980 bytes
SHA-256: 07f72bd9fff27ce8b7e2c19c548ad46a4c93540c20830de186b0cb93a5043e3d

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