MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, many of which point to a redirector service known to host malicious content. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=rational+numbers+class+8+test+pdf', indicating a lure to a potentially harmful site. The presence of a link farm and a critical redirector link firing strongly suggests a phishing or malware distribution attempt.
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=rational+numbers+class+8+test+pdf In PDF document text
- http://files.citizensforcivicrenewal.org/uploads/1/3/1/4/131453006/zirur.pdfIn PDF document text
- http://files.massagemattersbynancy.com/uploads/1/3/2/6/132681033/9160655.pdfIn PDF document text
- http://files.choctawsummerlearning.org/uploads/1/3/1/4/131409009/ladotepometawepu.pdfIn PDF document text
- http://files.northenddeli.com/uploads/1/3/1/3/131384400/45095487028cd1.pdfIn PDF document text
- http://gixisa.mainelymama.com/uploads/1/3/0/7/130776407/1914841.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/1/0433/0163/4213/files/pitubojorariwimej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6676/1120/files/76612423567.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vebamuwonodivori.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1760/8090/files/57991081845.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1149/7366/files/tijen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4283/9455/files/hammerfell_elder_scrolls.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2468/5976/files/warowoboderelitufogupo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9515/3058/files/52625969779.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7772/9432/files/xivefore.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0921/1557/files/popefol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3932/6365/files/jerujofigojojisisup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9755/5108/files/bash_loop_through_files.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2601/4620/files/45468364708.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7107/0617/files/79799720066.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_off0000646a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x646A | 5640 bytes |
SHA-256: 6fbc2b084a65e97d62615331a2d2acb72fc778b5cc2890b3446d885651b63cf1 |
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font_01_sfnt_off0000777e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x777E | 10364 bytes |
SHA-256: d9f8f16d23b3c97548107171fb812673ccaddf8922b96be7014636e7d25371c4 |
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font_02_sfnt_off00009ae2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AE2 | 16164 bytes |
SHA-256: c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e |
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