MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains a large number of external links, many of which point to PDF files on various domains, indicating a link farm strategy. The ML classifier strongly flagged this PDF as malicious. The embedded document body text mentions 'Crystal reports 13.0.23' and 'wkhtmltopdf', suggesting a lure to download or access this software, which is likely a pretext for malicious activity.
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://grimmon.com/uploads/1/3/0/3/130323599/130323599.html#crystal+reports+13.+0.+23
- http://stunningpapillonpuppies.com/uploads/1/3/1/4/131453429/1908940.pdf
- http://naturesportraitsbybeth.com/uploads/1/3/0/7/130739970/50523c72eb72.pdf
- http://shawdevelopmentshoppingcenters.com/uploads/1/3/0/9/130969375/6d496a30b4e1b.pdf
- http://clearwaterguttercleaners.com/uploads/1/3/1/0/131071072/d90f8af69ad6.pdf
- http://eaglecreekpropertiesllc.com/uploads/1/3/0/7/130775373/likilisize.pdf
- http://alumograph.com/uploads/1/3/0/5/130551659/2960120.pdf
- http://ngsports.net/uploads/1/3/0/6/130604919/gadow_sarigodobaj_tefamek_kebepasaxek.pdf
- http://seminariosmetodoyuen.com/uploads/1/3/0/4/130483872/xedapevovepevopawizo.pdf
- http://kindkvist.com/uploads/1/3/0/4/130476413/zudupitag.pdf
- http://mytrumpvsobamaeconomics.com/uploads/1/3/0/4/130488773/nuvizopefanu-wisunupob.pdf
- http://catsummitbhm.org/uploads/1/3/0/9/130970014/sutoragip.pdf
- http://andreassweetshoppe.com/uploads/1/3/1/0/131070998/6432123.pdf
- http://martyking.net/uploads/1/3/0/7/130776474/3791163.pdf
- http://thatfeministjew.com/uploads/1/3/0/4/130491757/3188520.pdf
- http://chimyst.com/uploads/1/3/0/2/130274091/meposagimapovumeruku.pdf
- http://clearwaterguttercleaner
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000085cb.bin99e104d881e85dd31718dace8b3ebe3ea0ca01558962fb90b92a97506160e770 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85CB | 6480 bytes |
font_01_sfnt_off00009595.bin5ef62a162eca793341f12353a2b58cebf354fa0ae373446977c6cbc99b2a3307 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9595 | 8636 bytes |
font_02_sfnt_off0000b67d.bine2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB67D | 2652 bytes |
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