MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting a link farm or SEO manipulation tactic. The ML classifier also flagged this PDF as malicious with high confidence. The primary IOC is the malicious 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/pify?keyword=one+piece+android+wallpapers+hd
- http://files.wanderingwander.com/uploads/1/3/1/6/131606951/44ddea22b9209.pdf
- http://jovib.district619.com/uploads/1/3/0/7/130775364/2378524.pdf
- http://files.qbmusichub.com/uploads/1/3/1/4/131453821/fisew.pdf
- http://files.laarmyexplorers.org/uploads/1/3/1/8/131856569/9864316.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3993/2064/files/25185885588.pdf
- https://cdn.shopify.com/s/files/1/0440/3855/3765/files/76612872407.pdf
- https://cdn.shopify.com/s/files/1/0431/2537/5130/files/levusamenosajuvaw.pdf
- https://cdn.shopify.com/s/files/1/0431/1043/2929/files/awards_current_affairs_2020_19.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/85155057715.pdf
- https://cdn.shopify.com/s/files/1/0429/7742/7609/files/sesejisapusadijedotugure.pdf
- https://cdn.shopify.com/s/files/1/0431/7095/5415/files/jalshamoviez_bengali_movie.pdf
- https://cdn.shopify.com/s/files/1/0430/8841/2836/files/maidenform_shapewear_tank_top.pdf
- https://cdn.shopify.com/s/files/1/0428/8780/7129/files/zajegetevonilirowego.pdf
- https://cdn.shopify.com/s/files/1/0430/7261/8657/files/guided_fishing_trips_in_oklahoma.pdf
- https://cdn.shopify.com/s/files/1/0430/2068/1377/files/rorepedidodasiguruma.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000064b5.bin41f57f2ddc6b80b31f134f35fb80e4e35bc84599c6f32f9362ef6e711e48f1ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64B5 | 5280 bytes |
font_01_sfnt_off000076ad.bin010c620dfe384bc39cd76ecf63371e3190991c74ebda3536df134b8009921b26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76AD | 10204 bytes |
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