MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links to external resources, masquerading as educational materials. The primary link, 'https://ttraff.ru/pify?keyword=algebra+questions+pdf+for+ntpc', is identified as a malicious redirector, indicating a phishing or malware distribution attempt. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to lead users to harmful content.
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=algebra+questions+pdf+for+ntpc In PDF document text
- http://files.evolvingpartnership.com/uploads/1/3/0/8/130874457/vewatamubagemepez.pdfIn PDF document text
- http://files.quintabella.com/uploads/1/3/0/7/130775490/jimutafesuxirife.pdfIn PDF document text
- http://zogete.briccawards.com/uploads/1/3/1/0/131070420/deridi-tupenumavir-wanopedileki.pdfIn PDF document text
- http://files.roddybridges.com/uploads/1/3/0/9/130969624/tidupazip.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/2412/9946/files/96614650000.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9582/5320/files/cambridge_english_advanced_cae_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5317/0339/files/calabozos_y_dragones_5ta_edicion_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/17612659915.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4201/1286/files/rikinalopepadivudazavuni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8245/7000/files/45563880220.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8198/0317/files/98204834293.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7368/1061/files/88260664866.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6701/3280/files/turbo_350_transmission_rebuild_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2752/1948/files/6063073093.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7727/8623/files/wotlk_alliance_leveling_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8495/5300/files/bexapesisoroxerujogerir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6037/9286/files/fasexipamarofeziked.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_off0000518b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x518B | 5460 bytes |
SHA-256: 4e820d804b47e9a643a82b47b4c2406ed3093bfec218322d26560595df905a00 |
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font_01_sfnt_off00006418.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6418 | 14424 bytes |
SHA-256: 2b7241ae5f5b4d90dffc0a2f00c3bd4c07f8fe427616a2ee85ac5cd89326e406 |
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font_02_sfnt_off00009124.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9124 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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