MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded links that redirect to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains a URL that appears to be a lure for educational content. The PDF_SEO_LINK_FARM heuristic suggests a large number of similar links were generated, likely for SEO poisoning to attract victims.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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/wix?keyword=slader+james+stewart+calculus+8th+edition
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/3241/1298/files/95960057067.pdf
- https://cdn.shopify.com/s/files/1/0434/0737/6534/files/86333824739.pdf
- https://cdn.shopify.com/s/files/1/0428/9655/6191/files/53918847258.pdf
- https://cdn.shopify.com/s/files/1/0439/4385/4235/files/cambridge_english_advanced_1.pdf
- https://cdn.shopify.com/s/files/1/0429/7854/1722/files/rukemokaloregikefiwal.pdf
- https://cdn.shopify.com/s/files/1/0452/5680/2461/files/kaththi_theme_music_tamilanda.pdf
- https://cdn.shopify.com/s/files/1/0435/9536/6559/files/48079247572.pdf
- https://static.usrfiles.com/ugd/b8c837_a817384f4a3c4bf39c1c9ee3421b6721.pdf
- https://static.usrfiles.com/ugd/b8c837_a29c0173d06040b0b845b4705acdf5d5.pdf
- https://static.usrfiles.com/ugd/b8c837_03f04a6c3653475ea7fac5a45a2e9289.pdf
- https://static.usrfiles.com/ugd/b8c837_efefcd1dc6be4d60a5485c2ced8d6de7.pdf
- https://static.usrfiles.com/ugd/7ea8bb_7374134eb9314ff19925e80dfef719cc.pdf
- https://static.usrfiles.com/ugd/eaf48f_4cc7f5daf1404dd5b7dd69eb98583ce9.pdf
- https://static.usrfiles.com/ugd/3b47cb_fc043a2fa153485baa92c0966a04fc16.pdf
- https://static.usrfiles.com/ugd/b8c837_bd09c383339a480bb46b21b5c0a4a224.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005cd7.bine230ed244e2949814f13a021da319a36c3c7ba9f7948f379f74eed5c781fd176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CD7 | 5644 bytes |
font_01_sfnt_off00006fe9.bin7d9f0d96e3c5d19cee4f904179a700a5d283c5876dde6778772c31183c4d645f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FE9 | 14092 bytes |
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