MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass external link farm, with one URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Ameba information and images' and the malicious URL, suggesting a lure to a malicious site. The presence of embedded URLs and the ML classifier's high confidence further support this assessment.
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=ameba+information+and+images
- http://niziri.thelellowfoundation.org/uploads/1/3/2/3/132302868/d7af05eacc14.pdf
- http://files.melanysaad.com/uploads/1/3/1/4/131436978/donixiv.pdf
- http://majarej.ioscaid.com/uploads/1/3/0/8/130874001/tajokodujase.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/5775/0951/files/12901325907.pdf
- https://cdn.shopify.com/s/files/1/0432/9386/8187/files/58979980570.pdf
- https://cdn.shopify.com/s/files/1/0436/3547/4590/files/jatikigu.pdf
- https://cdn.shopify.com/s/files/1/0431/7026/7300/files/99379678329.pdf
- https://cdn.shopify.com/s/files/1/0435/5761/7823/files/51385636994.pdf
- https://cdn.shopify.com/s/files/1/0431/0184/7708/files/acumed_olecranon_plate.pdf
- https://cdn.shopify.com/s/files/1/0440/6371/9574/files/wawolinis.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/47948794002.pdf
- https://cdn.shopify.com/s/files/1/0433/8427/5109/files/demuvurowonosekapujija.pdf
- https://cdn.shopify.com/s/files/1/0439/9477/5710/files/32793097756.pdf
- https://cdn.shopify.com/s/files/1/0427/9658/1020/files/fadefotinoxatizogozuja.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_off0000be9a.bin9186745875c4b474f5b5c358a419760a97c5c2fc1d4b5839d9c65b6ea7309c1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE9A | 5324 bytes |
font_01_sfnt_off0000d093.bin9af0fe1629740035021b08698393a8bfed499589c2527a43bf68e3f670cdac8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD093 | 12504 bytes |
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