MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector at 'https://ttraff.ru/pify?keyword=bhushan+steel+nclt+pdf'. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms this. Additionally, the 'SE_CALLBACK_LURE' heuristic suggests a phishing or tech-support scam pretext, aiming to trick the user into interacting further. The presence of a large number of external links ('PDF_SEO_LINK_FARM') further indicates a malicious intent to distribute content or redirect users to potentially harmful sites.
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=bhushan+steel+nclt+pdf In PDF document text
- http://dunofuso.garrylukemassage.com.au/uploads/1/3/0/8/130874050/pipogo.pdfIn PDF document text
- http://files.bluecruiseturkeytours.com/uploads/1/3/0/7/130776254/luvulepesurapij.pdfIn PDF document text
- http://files.redditchchessclub.org/uploads/1/3/0/9/130969645/d0aafffc03e.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/1/0433/0497/6548/files/fudusekagolafupuzerox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4921/3349/files/how_to_download_a_vimeo_video.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5891/2662/files/6257766025.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8978/8069/files/exceptional_learners_11th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8451/3440/files/pufin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9658/1020/files/8979282515.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6654/files/redemoluzomitetas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1721/4874/files/sadutilixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8477/5577/files/sumakomolarulotanagolin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7813/1611/files/pomub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0595/2671/files/29470019188.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2046/7869/files/litepekow.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006244.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6244 | 5196 bytes |
SHA-256: 99575c078fefff04130d81070408d0e2785f012d91fbef7cbe95f116913aa2ac |
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font_01_sfnt_off000073ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73EC | 10080 bytes |
SHA-256: 6735f85b5b221579ac1bfa74e1ede2d945b73009d726b523aa609ff94648509a |
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font_02_sfnt_off0000969a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x969A | 16164 bytes |
SHA-256: c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e |
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