MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, appears to be a lure related to 'biological theory of crime pdf'. The presence of a link farm and a malicious redirector suggests an attempt to lead the user to a malicious site, likely for further exploitation or credential harvesting.
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=biological+theory+of+crime+pdf
- http://files.gnatproductions.com/uploads/1/3/1/4/131452959/591058.pdf
- http://files.goplaysport.co/uploads/1/3/0/8/130813668/fitufijusugasen_voxufela.pdf
- http://files.shopragjunkie.com/uploads/1/3/1/8/131856162/612f06f8e.pdf
- https://cdn.shopify.com/s/files/1/0437/5475/0106/files/moligedof.pdf
- https://cdn.shopify.com/s/files/1/0429/1503/7351/files/finusejolazan.pdf
- https://cdn.shopify.com/s/files/1/0436/2013/9170/files/nopuf.pdf
- https://cdn.shopify.com/s/files/1/0429/2929/1427/files/31441968368.pdf
- https://cdn.shopify.com/s/files/1/0429/6006/0567/files/bitesotimeguzapavutureko.pdf
- https://cdn.shopify.com/s/files/1/0434/5351/3893/files/15283489520.pdf
- https://cdn.shopify.com/s/files/1/0435/1649/3976/files/totuvatenaxo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wifufokamavobopizevotug.pdf
- https://cdn.shopify.com/s/files/1/0435/7432/9499/files/rubakuwotutalonutake.pdf
- https://cdn.shopify.com/s/files/1/0428/6405/0332/files/pemupazunixupexogujisos.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xovigaza.pdf
- https://cdn.shopify.com/s/files/1/0430/8077/7882/files/papusakatukuw.pdf
- https://cdn.shopify.com/s/files/1/0431/1177/6416/files/pasapemuxolamiranigaja.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_off0000726b.bin47df13cfacba66b5a7212f920f4a62ffe4e98572c2bdea28b89825d0cc1333f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x726B | 5224 bytes |
font_01_sfnt_off00008436.binb054d5e8a9f83ee5daf84df5553e9b6372006b7d57df114c4380591c5c51fbd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8436 | 9844 bytes |
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