MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links that redirect to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though partially corrupted, contains text related to 'Cara menghindari plagiat pdf' which is likely a lure to encourage clicks on the malicious link. The ML classifier also strongly flagged this PDF as malicious. The primary malicious IOC is the redirector 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.ru/wb?keyword=cara%20menghindari%20plagiat%20pdf
- http://lamixa.nicolewilliamswrites.com/uploads/1/3/2/6/132682646/6559474.pdf
- http://welel.thsbusinessed.com/uploads/1/3/1/4/131453194/kewuluwam.pdf
- http://zugiworar.en-technologiesinc.com/uploads/1/3/1/3/131398564/bupifusumujosasuze.pdf
- https://cdn.shopify.com/s/files/1/0434/8297/2326/files/gowexoxajume.pdf
- https://cdn.shopify.com/s/files/1/0438/8087/4139/files/91094773833.pdf
- https://cdn.shopify.com/s/files/1/0431/1423/4017/files/masewikup.pdf
- https://cdn.shopify.com/s/files/1/0430/1137/5267/files/kisalunafenarovux.pdf
- https://cdn.shopify.com/s/files/1/0428/5107/4214/files/43891187222.pdf
- https://cdn.shopify.com/s/files/1/0432/0939/2285/files/64604748701.pdf
- https://cdn.shopify.com/s/files/1/0433/4374/1083/files/cement_brick_making_process.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/peregomosurexezobosezob.pdf
- https://cdn.shopify.com/s/files/1/0434/0298/5626/files/7896369724.pdf
- https://cdn.shopify.com/s/files/1/0433/6749/7880/files/gunavakud.pdf
- https://cdn.shopify.com/s/files/1/0432/9232/8104/files/90371494551.pdf
- https://cdn.shopify.com/s/files/1/0430/7147/1767/files/lowuvepedidoge.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_off00005af8.bin8e349ba948598936057c78e4299491c81c64bfb624a3e61592a3bd485f737cf5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AF8 | 5184 bytes |
font_01_sfnt_off00006c6a.bin1ce27633b06f99ba27120d9c4b76848c4b6685a42800eeb5a1f856e917121f73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C6A | 9860 bytes |
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