MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains a URL that points to a known malicious redirector, and numerous other links are embedded within the PDF structure, likely serving as a lure for users to click on malicious content. No scripts were extracted, but the PDF structure itself is the delivery mechanism.
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=rainbow+kitten+surprise+live+performance
- http://files.laisaycheese.com/uploads/1/3/0/7/130775062/8494142.pdf
- http://files.brandynoir.com/uploads/1/3/2/6/132695663/wesasisuvume.pdf
- http://setuwiler.jillrumleyart.com/uploads/1/3/1/3/131398547/dikuvopimewobolut.pdf
- https://cdn.shopify.com/s/files/1/0434/6019/8557/files/wuzumesixufufukosi.pdf
- https://cdn.shopify.com/s/files/1/0430/4257/0401/files/toefl_junior_mock_test.pdf
- https://cdn.shopify.com/s/files/1/0447/9506/8565/files/rangkuman_biologi_sma_kurikulum_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/5769/2320/files/67132426937.pdf
- https://cdn.shopify.com/s/files/1/0431/5843/8056/files/19746967784.pdf
- https://cdn.shopify.com/s/files/1/0431/8262/0834/files/16508238525.pdf
- https://cdn.shopify.com/s/files/1/0430/0685/3269/files/acceptable_forms_of_identification_for_flying_2019.pdf
- https://cdn.shopify.com/s/files/1/0433/8493/0462/files/4223429326.pdf
- https://cdn.shopify.com/s/files/1/0428/0143/0695/files/49910339251.pdf
- https://cdn.shopify.com/s/files/1/0429/8034/3961/files/51028516601.pdf
- https://cdn.shopify.com/s/files/1/0429/1988/7001/files/wusavoniwofebirekesixe.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_off0000553f.bin8eb31002db8efda3d987b1a2eb046552f952960267a5476ebb07c36f47eb4a75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x553F | 5524 bytes |
font_01_sfnt_off0000680e.bin256f845407d766ac235f444467d48994470af4dae3f7a35a51fd0919d0d5a33b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x680E | 10128 bytes |
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