MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains references to medical terms and the wkhtmltopdf application, suggesting a lure document. The primary purpose appears to be directing users to a vast network of linked PDFs hosted on various domains, likely for SEO poisoning or to distribute further malicious content.
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://ewaveinc.com/uploads/1/3/0/7/130775398/130775398.html#lesion+del+nervio+ciatico+mayor+pdf
- http://migllc1.com/uploads/1/3/1/3/131398101/fb01f2dc54df7e.pdf
- http://cantamagliapropertyservices.com/uploads/1/3/0/4/130436180/zezosofivo.pdf
- http://brightsidehealth.org/uploads/1/3/0/7/130740113/widuxele.pdf
- http://www.burgersonmedia.musicatozpodcast.com/uploads/1/3/1/3/131380021/6468966.pdf
- http://solarmidnight.com/uploads/1/3/0/7/130776712/rabemibof.pdf
- http://mcirclemedia.com/uploads/1/3/0/8/130874207/bodoji_gesan.pdf
- http://crime-science.com/uploads/1/3/0/6/130620912/komitivubaw_xureremenevi_jorusomajujuk.pdf
- http://womeninbusinessatcampo.com/uploads/1/3/1/4/131407367/6610592.pdf
- http://texastradingtreasures.com/uploads/1/3/1/4/131438667/5559d.pdf
- http://eqdogs.com/uploads/1/3/0/6/130604771/sokujegufonamerupevu.pdf
- http://gyrocity.net/uploads/1/3/0/9/130969758/wafafop_sasupitod.pdf
- http://andersoncarpetinc.com/uploads/1/3/1/3/131380120/158cd7184.pdf
- http://neuenhausglass.com/uploads/1/3/0/5/130544591/mopogovusafit-vetimuvavotopid-papen.pdf
- http://aidenwiselove.com/uploads/1/3/0/7/130775503/tomugida_wumegu.pdf
- http://thehelpinghandsprojectthailand.org/uploads/1/3/1/3/131383514/51cf660.pdf
- http://southerncharmyardart.net/uploads/1/3/0/4/130478566/a01202e09.pdf
- http://kellypick.com/uploads/1/3/1/4/131437850/e9603c2299fff7.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 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000060a1.bin66daaa172a621a232ae0b4597bb6a81c294b7245be90fe5ffb77c9758566a24d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60A1 | 10432 bytes |
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