MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a malicious redirector. The primary URL, 'https://ttraff.cc/pify?keyword=kalnirnay+calendar+december+2020+pdf', is identified as a malicious redirector. Many other links point to Shopify domains hosting PDF files, suggesting a link farm or SEO manipulation tactic to distribute malicious content. No scripts were extracted, but the extensive use of redirectors points to an attempt to lure users to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.cc/pify?keyword=kalnirnay+calendar+december+2020+pdf In PDF document text
- http://nuron.watsonsflyballteam.co.uk/uploads/1/3/0/8/130873804/28d0a3571047ea3.pdfIn PDF document text
- http://mupepubu.perthdressageclub.com/uploads/1/3/1/3/131381204/e67de4.pdfIn PDF document text
- http://files.cambridgevalleyfarmersmarket.com/uploads/1/3/1/4/131437005/nokutabewola_purinusafoli.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/1/0437/7113/4106/files/73250939857.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9613/8137/files/85673613060.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0065/1158/files/analytical_chemistry_lecture_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/3108/1639/files/python_list_remove_duplicates.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/3983/9640/files/94693410827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3782/4926/files/95845545582.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lorirazapevimixawas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6204/2529/files/velenide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4901/7756/files/nukumuguderaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9272/8226/files/62754091521.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5216/2462/files/vuvoxemixuxozo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7149/5574/files/tutorial_corel_draw_x5_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1868/9432/files/81442953363.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5727/4270/files/15881797433.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_off0000b720.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB720 | 5608 bytes |
SHA-256: 7302b3e0900725ec90428a40d2951032ec6989f73eb4f24ed81dc0eeab599ad8 |
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font_01_sfnt_off0000ca1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA1C | 3024 bytes |
SHA-256: f271277bc92c8ec255f016eb89af31946ace6cee13b85d2ca72bafc089855a25 |
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font_02_sfnt_off0000d550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD550 | 14612 bytes |
SHA-256: d6790ae50bb361441d87fd07ef5d6159661e99e1f045dfadbb783f194fd9bf38 |
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