MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a lure related to 'Ntpc admit card sarkari exam' and includes a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=ntpc+admit+card++sarkari+exam'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, one of which is to a Shopify domain. The presence of a visual download button heuristic further supports a social engineering attack pattern. No scripts were extracted, limiting the analysis of direct payload execution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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.ru/pify?keyword=ntpc+admit+card++sarkari+exam In PDF document text
- http://files.moirajo.com/uploads/1/3/0/9/130969551/lonodimojoru.pdfIn PDF document text
- http://files.lambethlarder.org/uploads/1/3/1/4/131453592/gizatilawag_gogasotefotanut.pdfIn PDF document text
- http://files.rowanoaklaw.com/uploads/1/3/1/8/131856815/9d08990.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6066/6274/files/55029462526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3631/9639/files/xerekutunas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5727/4261/files/ranimofoparapalokimi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7318/3645/files/gawidijunelejizijo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/bafil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6164/7262/files/76330426654.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/21263893646.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5179/5107/files/mavomilagafubuwajiduf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0331/3308/files/tanggal_amandemen_uud_1945.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7704/1304/files/16968774177.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A7A | 5288 bytes |
SHA-256: 9ada29a6c8493ce07148f2f5e56033da98f06dff8dabb2b1da283ac3fc4f285c |
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font_01_sfnt_off00007c5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C5F | 14740 bytes |
SHA-256: 4e2b715ddcae43380801c1d982150e21ca520c14ebcfe4305be8caf8ff5a92d6 |
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font_02_sfnt_off0000aa71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA71 | 4252 bytes |
SHA-256: ccc61761941c5f6f0c106375d82e92a03ce6398f445d471f9a7e373d58e6cb1a |
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