MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF file was flagged as malicious by an ML classifier and exhibits characteristics of a link farm. It contains numerous external URLs, with the primary heuristic identifying a mass external PDF link farm. The document body is heavily obfuscated and appears to contain embedded URLs, suggesting a lure to external malicious sites. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://lunartouchreiki.com/uploads/1/3/1/0/131070213/131070213.html#%25D9%2585%25D8%25AC%25D9%2584%25D8%25A7%25D8%25AA+%25D8%25AC%25D9%2586%25D8%25B3%25D9%258A%25D8%25A9+%25D9%2585%25D8%25AC%25D8%25A7%25D9%2586%25D9%258A%25D9%2587
- http://mta-sts.redroselandscaping.com/uploads/1/3/0/5/130545745/jumegefizig-xupon-pagiloja.pdf
- http://haargalerie.eu/uploads/1/3/0/6/130639690/tedeluwolenoso.pdf
- http://mail.muabantoc.vn/uploads/1/3/0/9/130969191/2337685.pdf
- http://yoga4kids.nl/uploads/1/3/0/2/130273845/83aa9d.pdf
- http://mmb.nyc/uploads/1/3/0/2/130272976/gelobofexu.pdf
- http://webdisk.cawsab.org/uploads/1/3/0/6/130603954/be11fb1d8428.pdf
- http://huntingtonbeachrealestatephotography.com/uploads/1/3/0/8/130874123/lalafoletamopilo.pdf
- http://antivirus.parkroadbaptistcdc.org/uploads/1/3/0/7/130775619/b243a6406.pdf
- http://lunartouchreiki.com/uploads/1/3/1/0/131070213/terms.html
- http://lunartouchreiki.com/uploads/1/3/1/0/131070213/dmca.html
- http://lunartouchreiki.com/uploads/1/3/1/0/131070213/policy.html
- https://wumexupe.files.wordpress.com/2020/06/34938563403.pdf
- https://seximapakoro.files.wordpress.com/2020/06/88271863113.pdf
- https://luvipif.files.wordpress.com/2020/06/23873971939.pdf
- https://jofoxuvi68340568.files.wordpress.com/2020/06/sevasivebikapikubirona.pdf
- https://tarunigufoza.files.wordpress.com/2020/06/devozosapabesomevofiz.pdf
- https://kopokugol.files.wordpress.com/2020/06/52566866789.pdf
- https://vurijaniw46832415.files.wordpress.com/2020/06/fofetozisu.pdf
- https://pukidolaza.files.wordpress.com/2020/06/50952987604.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 |
|---|---|---|---|
stream_004_off000116c4.bined7a8d4c51e3dd3788e7f823b83e7ceeae60520d7619ec4d91215c3518d948a9 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x116C4 | 32964 bytes |
font_00_sfnt_off0000f5e1.bin54f0baa0a97901fbec3af7bdd7c0947dfc9fe9d4385e59c7aab02b392898164e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E1 | 9496 bytes |
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