Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cea0d50973e9509…

MALICIOUS

PDF

42.0 KB Created: 2020-08-08 18:08:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c69740a0f3be0f584fd81808e11006c5 SHA-1: cc8108c6ab6d6ce2e587c038cb1197d768cf5bdc SHA-256: 7cea0d50973e95094f9e5d324ee4913a65a303ecc6d1260ad56799cd7b4d9602
202 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, disguised as educational material. The primary malicious link, 'https://ttraff.cc/pify?keyword=rrb+je+previous+year+question+papers+pdf+for+mechanical', is designed to lead users to further malicious content. The ML classifier strongly indicated maliciousness, and the presence of a redirector link confirms a malicious intent to lead users to harmful sites.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=rrb+je+previous+year+question+papers+pdf+for+mechanical In PDF document text
    • http://files.adelaide-pilates.com/uploads/1/3/0/7/130739761/zijupepojumoviziwese.pdfIn PDF document text
    • http://files.kirschlaw.com/uploads/1/3/0/7/130776141/posujoni.pdfIn PDF document text
    • http://files.helloweirdos.com/uploads/1/3/1/4/131452735/lobisepiwoval.pdfIn PDF document text
    • http://files.smithsnonsensenews.com/uploads/1/3/1/3/131380733/begobimulo.pdfIn PDF document text
    • http://files.bullets-n-beans.com/uploads/1/3/1/0/131070674/peroxixunik.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/1/0451/1825/9365/files/ceidg_1_druk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4678/0566/files/58058377749.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8475/9711/files/rubulujexibiza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4294/6728/files/80544418866.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30036161276.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6896/4520/files/43468793285.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/3912/5667/files/ng_cli_cheat_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9186/0383/files/10919722123.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7108/6485/files/95201792443.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4826/4089/files/90958764874.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4790/1592/files/zirikojutatexonetabuw.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 8

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_off0000635c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x635C 5904 bytes
SHA-256: 5effcd653110c8e05880f57e7c90ce51b377e4d65787578d36a044bd1c97a839
font_01_sfnt_off0000775e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x775E 10364 bytes
SHA-256: 14060ac55ced71afd9eeb981a6bc65ba64eb3940aca516f3ecf71d6a30592559

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