MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which are numerically or generically named, suggesting a link farm or SEO abuse tactic. The document body, though malformed, contains text related to a 'meteorology study guide answers' and includes URLs, reinforcing the lure to external sites. The ML classifier strongly flagged this PDF as malicious, and the PDF_SEO_LINK_FARM heuristic indicates a pattern of hosting numerous PDF files on compromised or attacker-controlled domains.
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://cpanel.jacksonvilleartistsguild.org/uploads/1/3/0/2/130272355/130272355.html#meteorology+study+guide+answers
- http://thisissmartoysters.com/uploads/1/3/0/3/130323162/920c35efed6f.pdf
- http://laclasicataqueria.com/uploads/1/3/0/4/130489346/9f7708b.pdf
- http://mailserver.andavis.co.uk/uploads/1/3/1/8/131856225/7512890.pdf
- http://perception2019.com/uploads/1/3/0/6/130620853/8267f.pdf
- http://ns1.anythingtech.org/uploads/1/3/1/4/131406390/8204814.pdf
- http://flipnotik.com/uploads/1/3/0/7/130776719/bozuxara.pdf
- http://qognitive.net/uploads/1/3/1/4/131455508/genize_xafuvizad.pdf
- http://m2projects.net/uploads/1/3/0/9/130969291/vipipadutogosur.pdf
- http://mta-sts.mx.wasatchfrontfence.com/uploads/1/3/1/3/131398077/b1dbbb1bfcaa.pdf
- https://zagufebaja.files.wordpress.com/2020/06/tawogubilavomujepari.pdf
- https://tododuk.files.wordpress.com/2020/06/94129261252.pdf
- https://lojemaj.files.wordpress.com/2020/06/93579229853.pdf
- https://satipukaza.files.wordpress.com/2020/06/parezutaraz.pdf
- https://satugovanuw.files.wordpress.com/2020/06/fowos.pdf
- https://lopititixuv.files.wordpress.com/2020/06/wuradave.pdf
- https://refoxakel.files.wordpress.com/2020/06/xubevofaxujavexixusogiwa.pdf
- https://kubuwenix.files.wordpress.com/2020/06/batikavuwafod.pdf
- https://fewogixaba.files.wordpress.com/2020/06/zowufejerutagasisodojol.pdf
- https://rovizemafogi.files.wordpress.com/2020/06/marejubodipivegopuwiwosit.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_off00005b76.bincef942c7d52f19ad95b878128b2fda2f49ca537542190390df2b88fc34970d9b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B76 | 10404 bytes |
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