Malware Insights
This PDF file exhibits characteristics of a link farm or SEO spam, embedding a large number of external URLs. The primary heuristic, PDF_SEO_LINK_FARM, indicates the presence of numerous external PDF links, suggesting an attempt to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body is heavily obfuscated, making it difficult to determine a more specific attack pattern beyond the link-farming behavior.
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://74-123-79-11.mgwnet.com/uploads/1/3/0/4/130476751/130476751.html#chlamydia+trachomatis+portugues
- http://mta-sts.wakeforestmarket.com/uploads/1/3/0/5/130539179/fa0adb16.pdf
- http://stratfordyouthcentre.com/uploads/1/3/0/4/130435930/5ffdc88c.pdf
- http://magicklymodern.shop/uploads/1/3/0/2/130271001/5883006.pdf
- http://www.stephenjewelldesign.com/uploads/1/3/0/4/130489025/91984766a35.pdf
- http://www.gracecareas.gracepte.com/uploads/1/3/0/8/130873902/nakulavujid_rubawasepi_likaju.pdf
- http://punawaiora.com/uploads/1/3/0/7/130739978/4880163.pdf
- http://www.allways.net.au/uploads/1/3/0/6/130603767/kububu_jufedoguse_lomijojew.pdf
- http://www.marksvandermeer.com/uploads/1/3/0/7/130739509/dibopuva.pdf
- http://outsidetheboxapps.com/uploads/1/3/0/3/130313130/2040065.pdf
- http://virtueimport.com/uploads/1/3/0/4/130488331/749a11eafb67b9.pdf
- http://petershenkinlaw.com/uploads/1/3/0/6/130639115/6771039.pdf
- http://www.feldenkrais-sj.com/uploads/1/3/0/2/130274330/lolutaba.pdf
- http://erumafsar.com/uploads/1/3/0/3/130379246/nokeside_lixekogonig_niwibe_watezadojumuko.pdf
- http://drtoxie.com/uploads/1/3/0/2/130289431/sefij_mivedegasumoka_jifut.pdf
- http://jojiescollections.com/uploads/1/3/0/4/130488889/vozezatexivu-mujusiku-vujib.pdf
- http://portlandhomesforsaleteam.com/uploads/1/3/0/5/130588625/9109222.pdf
- http://hostmaster.joeandjune.de/uploads/1/3/0/6/130604140/weguzuvik_vabebaxamo_fogifojixow_miwotu.pdf
- http://truthbetoldmedia.com/uploads/1/3/0/7/130740222/mibujozar-masewezaruwu-pemej-kiwapowufotaf.pdf
- http://playpass.net/uploads/1/3/0/7/130776478/8369269.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_off000086ec.bin1fa88078bb783bed5aed5f92a1b83108d289463623938d10b7924365f3fbbccc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86EC | 8340 bytes |
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