MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, including one to a known malicious redirector at 'ttraff.cc'. The document body, though heavily obfuscated, contains the same malicious URL and references a 'cornell notes template', suggesting a lure to trick users into clicking the malicious link. The ML classifier also strongly indicated maliciousness.
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/pify?keyword=avid+cornell+notes+template+google+docs
- http://vevegumi.stem2schools.org/uploads/1/3/1/4/131437949/5684165.pdf
- http://sezalo.designerpaws.org/uploads/1/3/1/4/131406893/terimenilatemeli.pdf
- https://cdn.shopify.com/s/files/1/0435/6400/7583/files/zipabilijurodefuzadisi.pdf
- https://cdn.shopify.com/s/files/1/0434/2477/6354/files/sivob.pdf
- https://cdn.shopify.com/s/files/1/0431/9186/1412/files/28514852328.pdf
- https://cdn.shopify.com/s/files/1/0430/6495/0946/files/pegafuzunetuvux.pdf
- https://cdn.shopify.com/s/files/1/0433/3459/8809/files/63553164145.pdf
- https://cdn.shopify.com/s/files/1/0433/6628/5462/files/nesefomavonajul.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6629/files/luterumojivivuxu.pdf
- https://cdn.shopify.com/s/files/1/0432/0660/7012/files/flying_tortoises_reading_all_answer.pdf
- https://cdn.shopify.com/s/files/1/0431/1518/4277/files/gubuwomagopik.pdf
- https://cdn.shopify.com/s/files/1/0432/6427/8686/files/all_eyez_on_me._zip.pdf
- https://cdn.shopify.com/s/files/1/0438/3434/3586/files/kazal.pdf
- https://cdn.shopify.com/s/files/1/0428/3983/4791/files/cen-_tech_digital_multimeter_p37772_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/3122/2682/files/blank_acrostic_poem_template.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b60.bin250a25945efd3c7d1299db7f2d099a7b2f8d815b67bf6429ed44d9403630612f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B60 | 5444 bytes |
font_01_sfnt_off00006dc5.bin014e93ef940b79814faaa43556e28d51d9d298a304ce5224e558a656fa4bcc64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DC5 | 10088 bytes |
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