MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also strongly flagged this PDF as malicious. The document body, though partially obfuscated, contains a URL that is repeated among the many external links. This suggests a link farm or SEO manipulation tactic, potentially leading to malicious content or phishing pages.
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://lists.accordionapocalypse.com/uploads/1/3/0/9/130969485/130969485.html#carbon+and+its+compounds+class+10+ncert+book+pdf PDF link annotation
- http://thatcleverthing.com/uploads/1/3/0/4/130483147/gejikirepijarobiki.pdfIn PDF document text
- http://strategycardgames.com/uploads/1/3/0/5/130540567/8290268.pdfIn PDF document text
- http://slipnklick.com/uploads/1/3/0/5/130541763/wilozup.pdfIn PDF document text
- http://skylinegaming.net/uploads/1/3/1/3/131398017/4172212.pdfIn PDF document text
- http://kindledyouth.org/uploads/1/3/0/6/130620251/0fb1ee6b3.pdfIn PDF document text
- http://studio1999.shop/uploads/1/3/0/4/130477309/losun_gagodijofap_senov_xakoxere.pdfIn PDF document text
- http://forthtradeservices.co.uk/uploads/1/3/0/9/130969706/562053fa8f82dce.pdfIn PDF document text
- http://bffslime.com/uploads/1/3/0/8/130874046/gewijetode_dixusazesaxosi_mopivixedupewi_pujenavuk.pdfIn PDF document text
- http://nicolettabuildingcontractors.com/uploads/1/3/0/4/130436033/wekasejap_penuwokilo_mimufi.pdfIn PDF document text
- http://millsdigital.com/uploads/1/3/0/6/130604101/vujalix-rupovomovaxi-nisusonexuvow.pdfIn PDF document text
- http://www.doublelinsulation.com/uploads/1/3/0/6/130604377/d4a55d3a.pdfIn PDF document text
- http://www.devotionaleroticdance.com/uploads/1/3/0/6/130604864/wekagapajenab.pdfIn PDF document text
- http://reviews4reviews.com/uploads/1/3/0/4/130493714/8147630.pdfIn PDF document text
- http://mta-sts.mx.owlhavenfarm.com/uploads/1/3/0/5/130589123/764748.pdfIn PDF document text
- http://bartlove.com/uploads/1/3/0/9/130969588/miguvowovixib-dimin-medivezoj.pdfIn PDF document text
- http://brandimcmillan.com/uploads/1/3/0/3/130313169/6247500.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000071cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71CD | 8080 bytes |
SHA-256: 3c886ff44ad100a1f71bb49c22034b73e814dc90bf6f8632f24e410a689bf247 |
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font_01_sfnt_off000090db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90DB | 2780 bytes |
SHA-256: 17e0d51dd3ddd29f4888ae5e849982e39ead0d7b15e0521e7ace4aa8474ae498 |
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font_02_sfnt_off00009ab4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AB4 | 16088 bytes |
SHA-256: 5a9695438bb362a8b10d86f415c06da9d71f416851af8c6c9c762304ce3c8158 |
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