MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'algebra 2 trig common core textbook pdf' and a URL, suggesting a lure to a malicious site. The ML classifier strongly indicated maliciousness, and the presence of a redirector link points to a phishing or scam attempt.
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.me/pify?keyword=algebra+2+trig+common+core+textbook+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/79e0dc_2cb0674dac7545389aee0e48cd74a42b.pdf
- https://static.usrfiles.com/ugd/40336e_f9c997b990b045c89648b34a18968c51.pdf
- https://static.usrfiles.com/ugd/8716ab_8e38c37be1d64b1cba2ee2310ee70de3.pdf
- https://static.usrfiles.com/ugd/7ea8bb_10abd7bb93174a47b616ae858872c9eb.pdf
- https://static.usrfiles.com/ugd/a51aec_d509361a014b445dae62ee81527c4f6d.pdf
- https://cdn.shopify.com/s/files/1/0428/9580/2527/files/wix_website_templates_free.pdf
- https://cdn.shopify.com/s/files/1/0434/7179/8424/files/answer_synonym_noun.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3750/files/93917999526.pdf
- https://cdn.shopify.com/s/files/1/0431/5119/6315/files/vomojerizodomusuj.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/aseptic_filling_process.pdf
- https://static.usrfiles.com/ugd/5b9365_ebf60b8aa2b64abdbd15dc36a8c804dd.pdf
- https://static.usrfiles.com/ugd/6da380_5eb9a7417e624b5096d62a6c38385be6.pdf
- https://static.usrfiles.com/ugd/2074c9_7a220ecebafa47a18ef4a758f2d4fbf6.pdf
- https://cdn.shopify.com/s/files/1/0434/4384/7328/files/tivubodepixajev.pdf
- https://cdn.shopify.com/s/files/1/0437/1978/6645/files/94657686468.pdf
- https://cdn.shopify.com/s/files/1/0439/8268/4318/files/22791134950.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_off000050b5.binbf8595631b3c0e134543551d842dc161f54e4a21c9c7293bb7f26883b1d84da1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50B5 | 5688 bytes |
font_01_sfnt_off00006403.bin56cd3f830499df69ea13c227d2bd612db96ebcfdc2b6bfca0169a02ee60a4a1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6403 | 10632 bytes |
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