MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one heuristic specifically identifying a link to a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure for 'automotive technology books free pdf'. The ML classifier strongly supports the malicious nature of this PDF. The primary attack vector is likely social engineering via a malicious link, leading to further compromise.
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=automotive+technology+books+free+pdf
- http://files.cflseahawkers.com/uploads/1/3/0/7/130738841/7699720.pdf
- http://files.sierrastonefabrication.com/uploads/1/3/1/4/131482864/nazunegetu.pdf
- http://files.aedprockymountains.org/uploads/1/3/0/9/130969993/be91b563a65e.pdf
- http://files.alloneocean.org/uploads/1/3/0/7/130775291/wumutiz.pdf
- https://cdn.shopify.com/s/files/1/0429/6615/5430/files/ludono.pdf
- https://cdn.shopify.com/s/files/1/0435/7183/9135/files/zaganoxutakaje.pdf
- https://cdn.shopify.com/s/files/1/0434/4732/0728/files/sakosubode.pdf
- https://cdn.shopify.com/s/files/1/0431/7043/1125/files/sivipiteki.pdf
- https://cdn.shopify.com/s/files/1/0430/3791/7345/files/40352375068.pdf
- https://cdn.shopify.com/s/files/1/0435/3861/2378/files/98258146600.pdf
- https://cdn.shopify.com/s/files/1/0436/4474/7929/files/tupebojamagiwopazolerudot.pdf
- https://cdn.shopify.com/s/files/1/0433/1569/1678/files/zeteju.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dijupabexapuvasazanuripik.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30552771564.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/mabemobonupofenijuz.pdf
- https://cdn.shopify.com/s/files/1/0428/9508/1635/files/guzurogim.pdf
- https://cdn.shopify.com/s/files/1/0431/8524/2276/files/delukitifomogirifado.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_off000083dd.bin547e1dd37aa37ac5f37f64ea9d607e91df09f8b03c33afc7afd8b05afe98b05b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83DD | 5596 bytes |
font_01_sfnt_off000096ce.bin14dca007e90d83b70558bd79ba40b1d9f3177871a75a412b50a08ffca4be5d3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96CE | 10112 bytes |
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