MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous external links, many of which point to a redirector service known to host malicious content. The primary redirector URL, 'https://ttraff.ru/pify?keyword=definition+of+bullying+pdf', is flagged as malicious. This suggests a phishing or scam attempt using a link farm to distribute malicious content, likely disguised as a free download.
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.ru/pify?keyword=definition+of+bullying+pdf In PDF document text
- http://files.sixdegreeswriter.com/uploads/1/3/1/6/131636654/jilejilavepesom.pdfIn PDF document text
- http://doroke.omsbands.com/uploads/1/3/1/3/131398455/281f7bb8b44.pdfIn PDF document text
- http://files.aftonhistoricalsociety.org/uploads/1/3/2/6/132682684/8a206eaf13c935.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/1/0433/3086/3259/files/26897715402.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5122/0120/files/tujegesati.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5109/6991/files/saxixetukakerodefok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/8436/2407/files/57678349650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6797/3538/files/surisoselivuzodoxiruri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8548/8543/files/riesgo_de_trabajo_imss.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2371/8824/files/datigapolatuxobesirenabej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2505/5387/files/xoxokukono.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5920/8604/files/badimivu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2380/9187/files/incarceration_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51686393220.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0516/5216/files/67005342211.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4621/4564/files/towonomanijalesirinedune.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_007_off0000d6ab.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xD6AB | 30308 bytes |
SHA-256: 5f242b53a1010ab84e6d25273bd9c7da4cb983ec411af6cebf13b2525c008b43 |
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font_00_sfnt_off00008f8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F8F | 5216 bytes |
SHA-256: c22b9bdecd11cef756b63d339cdfa8445cce4c5fddef78aa50e27e77c4bd0d83 |
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font_01_sfnt_off0000a1d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA1D9 | 4964 bytes |
SHA-256: 5d2c3b6c870b46d2a4969360aefbf3c3b59c8f5efb748f9b2190f03aec733e35 |
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font_02_sfnt_off0000b2e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2E4 | 10432 bytes |
SHA-256: c3cd778c22f7850c2e60f4d9b728b0cd5fde953cf2364221fe50eb570410e02e |
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