MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which, https://ttraff.cc/wix?keyword=critical+thinking+pdf+notes, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for "critical thinking pdf notes". The presence of numerous links to external PDFs, many of which are benign, suggests a link farm or SEO manipulation tactic to distribute the malicious redirector.
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=critical+thinking+pdf+notes
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/87a178_2182123af3524806be4310d15a4f7fee.pdf
- https://static.usrfiles.com/ugd/2c8d66_ae9fe445f32a46ae8d86730d8be6ba44.pdf
- https://static.usrfiles.com/ugd/f55bec_a631963fbc8847fe9f1aecfe6157e15b.pdf
- https://static.usrfiles.com/ugd/e4ff69_956d161e579e467ba53f23487d709aad.pdf
- https://static.usrfiles.com/ugd/c4ccc4_8c72d69fae6945a5a57de087ca9bce93.pdf
- https://static.usrfiles.com/ugd/a107db_f33bca3b7659450085b688cda3dbe703.pdf
- https://static.usrfiles.com/ugd/e1d12c_3fe33fdc10e3440a9606c5ad67eb2715.pdf
- https://static.usrfiles.com/ugd/0df15e_681c815fcdaf4733a22cb00ec4d86dbc.pdf
- https://cdn.shopify.com/s/files/1/0430/6462/3265/files/friedel-_crafts_alkylation_lab_report.pdf
- https://cdn.shopify.com/s/files/1/0435/4008/6933/files/nebadula.pdf
- https://cdn.shopify.com/s/files/1/0431/4290/6007/files/rigarapanox.pdf
- https://cdn.shopify.com/s/files/1/0431/7459/2668/files/66199745439.pdf
- https://cdn.shopify.com/s/files/1/0440/5926/3128/files/adobe_flash_cs6_free_download_full_version_with_crack_64_bit.pdf
- https://cdn.shopify.com/s/files/1/0435/6653/0719/files/effects_of_alcohol_on_pregnancy.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_off00007a11.bine6fd2a0dc0e2a56532cbca5039cbf4737b91df7c5e0aac7371b53f93fd47bf41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A11 | 5388 bytes |
font_01_sfnt_off00008c52.bin1669f48f699b3f44b323c9dba933e1fbf1bbdea8bf880d95780e2306cad88a24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C52 | 9980 bytes |
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