MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though partially corrupted, suggests a lure related to 'alphabet coloring pages'. The primary malicious IOC is the redirector URL, which is likely used to serve a secondary payload. The ML classifier strongly supports the malicious nature of this PDF.
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.com/pify?keyword=alphabet+coloring+pages+az+pdf
- http://files.uwle.net/uploads/1/3/1/3/131380754/9449023.pdf
- http://files.np2c.co.nz/uploads/1/3/0/7/130739081/radisipum.pdf
- http://files.sunnydawnpetgrooming.com/uploads/1/3/1/6/131637606/gazogefevuzen.pdf
- http://files.wildflowerwomen.net/uploads/1/3/0/9/130969080/likok.pdf
- http://files.mygasz.com/uploads/1/3/0/7/130775784/4aa51e38e379d31.pdf
- https://cdn.shopify.com/s/files/1/0431/4903/3627/files/wedozovazuvifoge.pdf
- https://cdn.shopify.com/s/files/1/0434/7763/1126/files/89355079512.pdf
- https://cdn.shopify.com/s/files/1/0430/6547/5226/files/xifesixiselevop.pdf
- https://cdn.shopify.com/s/files/1/0441/0513/8328/files/38538215186.pdf
- https://cdn.shopify.com/s/files/1/0427/7728/0671/files/xanepamalupowomurafer.pdf
- https://cdn.shopify.com/s/files/1/0429/2562/1404/files/30499923266.pdf
- https://cdn.shopify.com/s/files/1/0434/8120/2854/files/61830211164.pdf
- https://cdn.shopify.com/s/files/1/0428/7086/6076/files/xegigopajodegunawabakoze.pdf
- https://cdn.shopify.com/s/files/1/0429/2804/6233/files/zuxumixubajetuw.pdf
- https://cdn.shopify.com/s/files/1/0437/0071/5674/files/videocon_bazooka_tv_circuit_diagram.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_off00005e08.bin7cc80ef602831ee58ce25f86295fed4f461118ddae14fafd3635cd3aa8d4f4ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E08 | 5596 bytes |
font_01_sfnt_off00007105.bin403e15224f4a97d1d2082c303a0ff9ea7e626eb5726a54fa5757ece86d4906c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7105 | 10352 bytes |
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