MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service. The primary malicious link, 'https://ttraff.ru/pify?keyword=algebra+3+textbook+answers', is flagged as malicious. The document body, though heavily obfuscated, contains references to educational materials, suggesting a lure to disguise the malicious intent. The presence of numerous external links, including those to a redirector, indicates an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes.
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.ru/pify?keyword=algebra+3+textbook+answers
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/078c79_c26106fcc85946b5b8cd5488728f7c60.pdf
- https://static.usrfiles.com/ugd/50de67_8798f32899b54bacaa02072387bd63b7.pdf
- https://static.usrfiles.com/ugd/9b33c5_a57376cd129c4dd58f95995fd5635229.pdf
- https://static.usrfiles.com/ugd/0286dd_eae770d4142447c0ac4a1fa94f7a8149.pdf
- https://static.usrfiles.com/ugd/6cfc61_b0bd3c35d3fd4d73bf4c18dc1daf3307.pdf
- https://cdn.shopify.com/s/files/1/0433/0310/8768/files/exploring_psychology_10th_edition_launchpad.pdf
- https://cdn.shopify.com/s/files/1/0429/4030/1478/files/42087436449.pdf
- https://cdn.shopify.com/s/files/1/0431/2173/7882/files/nizejijakufanowojavasuwo.pdf
- https://cdn.shopify.com/s/files/1/0438/1959/7981/files/fogunojafofokizogodumu.pdf
- https://static.usrfiles.com/ugd/89363e_31b445298f5742febcfffec8b6ca7076.pdf
- https://static.usrfiles.com/ugd/b8c837_c0adad6502bf40ae8d924276af56824c.pdf
- https://static.usrfiles.com/ugd/409ca8_5cb18a04610347a781d379f280bdc716.pdf
- https://static.usrfiles.com/ugd/fb83f1_e57834fecd334b38bd70fc626e2568e9.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_off00006ba1.bin07c65150c7e22bcb45c2a409593d9116f7d3ab05f6dafa76ad9dc4e9f90f71fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BA1 | 5372 bytes |
font_01_sfnt_off00007e0f.bin0cca48bed87c3ac32164269e3df4698dabc18a6681be405f41e7d04ddedabf36 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E0F | 10496 bytes |
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