MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file exhibits characteristics of a link farm, with numerous embedded URLs pointing to other PDF files hosted on various domains. The primary URL, http://pressurecleanit.com/uploads/1/3/0/7/130738739/130738739.html#libro+embarazo+pdf+gratis, suggests a lure for free PDF downloads. The ML classifier strongly flagged this sample as malicious, indicating a high probability of malicious intent behind these links, likely for SEO manipulation or to distribute further malware.
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://pressurecleanit.com/uploads/1/3/0/7/130738739/130738739.html#libro+embarazo+pdf+gratis PDF link annotation
- http://themodestcollection.com/uploads/1/3/0/7/130776034/9847236.pdfIn PDF document text
- http://jmdhealthcare.com/uploads/1/3/0/6/130620456/8073803.pdfIn PDF document text
- http://jasonwilke.com/uploads/1/3/0/8/130873955/vukigidovebajo.pdfIn PDF document text
- http://skylarrubyy.com/uploads/1/3/0/5/130550844/pezadivifo.pdfIn PDF document text
- http://www.umlf.com/uploads/1/3/0/7/130738912/60911.pdfIn PDF document text
- http://amiciasamenities.com/uploads/1/3/0/4/130476048/9083908.pdfIn PDF document text
- http://athleticdad.co.uk/uploads/1/3/0/6/130604530/2725176.pdfIn PDF document text
- http://structuraldamage.org/uploads/1/3/0/4/130489122/gutemib_mesuvovunoge_nifamokefipiza.pdfIn PDF document text
- http://iteroimplantdentallab.com/uploads/1/3/0/4/130477064/rotalus-waruzalag-lazadug.pdfIn PDF document text
- http://yanibear.com/uploads/1/3/0/6/130604322/7088513.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006349.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6349 | 9404 bytes |
SHA-256: 20cc70a4cd3640921b08d510366921e0d46aeb1325025813c915ef359ef8c783 |
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font_01_sfnt_off0000850e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x850E | 2000 bytes |
SHA-256: a1600c79331cba21b3b4a1f056a9d989f02b1280d9db796053b5096bff0b23f3 |
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