MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also strongly indicated maliciousness. The document body contains text and URLs that appear to be part of a link farm, aiming to direct users to numerous other PDF files hosted across various domains. This suggests a tactic to manipulate search engine results or distribute potentially malicious content through a wide network of sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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 http://limosmontgomerycounty.com/uploads/1/3/0/8/130814245/dofanigupapukiv_watasunabirij_dogewuluwore_nalimudafame.pdf
- http://bythehourmedia.com/uploads/1/3/0/5/130550931/38cc1b8.pdf
- http://ilceperot.com/uploads/1/3/0/5/130541208/a71d6.pdf
- http://rexargento.com/uploads/1/3/0/6/130604723/4175fdff429c182.pdf
- http://kolbe-press.com/uploads/1/3/0/2/130288887/tulewafikero.pdf
- http://cleekhcomm2034su19.com/uploads/1/3/0/8/130874326/vepesiwuz_bojijuze_mirukif.pdf
- http://theabandonedcollective.com/uploads/1/3/1/0/131071277/6766810.pdf
- http://webdisk.auerservis.com/uploads/1/3/0/8/130814346/8347381.pdf
- http://yesterdayscnc.com/uploads/1/3/0/4/130489143/labesav_sirolusifebe_mipubaxijil_belenotode.pdf
- http://uol.graysbooks.com/uploads/1/3/1/3/131380889/vixomerigudinir.pdf
- http://chateauneufdupapewineclub.net/uploads/1/3/0/2/130288579/zobuwabilonebi.pdf
- http://files.lane.people.ua.edu/uploads/1/3/1/8/131858530/131858530.html#brute+force+data+ps3
- https://wadedala728945907.files.wordpress.com/2020/07/jazenikumawomemedededa.pdf
- https://liwibemog.files.wordpress.com/2020/06/18672296506.pdf
- https://sexepik.files.wordpress.com/2020/06/30570327730.pdf
- https://negowonot.files.wordpress.com/2020/06/16035548414.pdf
- https://lotodirod.files.wordpress.com/2020/06/8750828070.pdf
- https://tomozajip.files.wordpress.com/2020/06/6949238869.pdf
- https://turepiw.files.wordpress.com/2020/06/25579981552.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_off00005a9e.bin2fcd37cc9c0338c07fb5a53c1dcde18d9cc03d98e927920fcd69865e03a29274 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A9E | 5056 bytes |
font_01_sfnt_off00006be5.bina14721792de106c5ae0a0314b3b9eace7c96c6c5b7a6b64aa4c9e7a7d239d498 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BE5 | 10360 bytes |
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