MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a document about depression, aiming to trick users into clicking it. The ML classifier strongly indicates maliciousness. The embedded URLs suggest a link farm or SEO poisoning technique to distribute malicious content. No scripts were extracted, but the primary attack vector is the malicious URL.
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=causes+of+major+depression+pdf
- http://files.communityplanningishere.org/uploads/1/3/0/7/130740069/somegazixinagolaw.pdf
- http://files.dirtydavesdetailing.com/uploads/1/3/0/8/130813755/kirifut.pdf
- http://baminum.sacredsecretskincare.org/uploads/1/3/1/6/131636725/bivepidora.pdf
- https://cdn.shopify.com/s/files/1/0428/7630/5564/files/cerere_preschimbare_permis_expirat.pdf
- https://cdn.shopify.com/s/files/1/0428/1804/4063/files/zuzupufisutijewubufuk.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gokibaleginasesomedusuj.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nifafujejugafux.pdf
- https://cdn.shopify.com/s/files/1/0441/2204/6616/files/cassandra_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0433/4845/9675/files/waxovelalotalut.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87195604050.pdf
- https://cdn.shopify.com/s/files/1/0429/7208/6435/files/91128646451.pdf
- https://cdn.shopify.com/s/files/1/0439/6072/9758/files/11x14_frame_walmart.pdf
- https://cdn.shopify.com/s/files/1/0431/3550/0439/files/bible_in_tamil_and_english.pdf
- https://cdn.shopify.com/s/files/1/0430/1137/5267/files/nomutelaramuk.pdf
- https://cdn.shopify.com/s/files/1/0433/0681/1560/files/paradise_lost_as_an_epic.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_off00006655.bin40ee6b83a4f8dabf5a4b9b6ae94ba3cb49d3c8308ef1b2c11f7e795da50b9430 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6655 | 5136 bytes |
font_01_sfnt_off000077b3.bin2a4b2efea86ed29de8be28a93608c1923fbd66eca060a4362ebeb2f00a425927 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77B3 | 9464 bytes |
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