MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file contains a large number of external links, many of which point to other PDFs hosted on various domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a deliberate attempt to create a link farm, likely to obscure malicious activity or redirect users to harmful content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted, and the document body was heavily obfuscated, but the presence of numerous external links is the primary indicator of malicious behavior.
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://ab.undesirable.us/uploads/1/3/1/3/131382539/131382539.html#trilogy+dl2800+user+manual
- http://protechniq.org/uploads/1/3/0/7/130775818/7824649.pdf
- http://advanceoklahoma.org/uploads/1/3/1/4/131406365/paxupemes.pdf
- http://robinsnestfunraiser.org/uploads/1/3/0/5/130551214/c4c0e10a4.pdf
- http://stationeryislandpromo.com/uploads/1/3/0/5/130588478/bojef.pdf
- http://stmichaelsumclhc.org/uploads/1/3/0/5/130539350/325605.pdf
- http://store.goochipoochi.net/uploads/1/3/1/6/131636763/nupuberopogipiv.pdf
- http://capsulelifestyleinc.com/uploads/1/3/1/6/131606808/mogosukupelo.pdf
- http://alohaminimalist.com/uploads/1/3/0/6/130620781/5d00bc1fb4e6cd.pdf
- http://denisewalther.com/uploads/1/3/0/6/130620909/3439765.pdf
- http://molallapool.com/uploads/1/3/1/3/131380786/pimetenasagi.pdf
- http://ppo95.dtmgt.com/uploads/1/3/1/3/131383624/mixeduga_xebazebuwib.pdf
- http://ellisonmotors.net/uploads/1/3/0/8/130874308/fotupezeripu_wofepiwiso.pdf
- http://riverroadcateringandevents.com/uploads/1/3/0/3/130323603/girudepuku_mukakoli_kubiwub_zigilunexope.pdf
- http://ab.undesirable.us/uploads/1/3/1/3/131382539/terms.html
- http://ab.undesirable.us/uploads/1/3/1/3/131382539/dmca.html
- http://ab.undesirable.us/uploads/1/3/1/3/131382539/policy.html
- https://wutiwewero.files.wordpress.com/2020/06/bomarawixotaxiguvo.pdf
- https://nonegek.files.wordpress.com/2020/06/lodanotogiregafemumebig.pdf
- https://dipimotez.files.wordpress.com/2020/06/furuxavitelo.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_off0000627f.bin9a576202402ca96d5c754083a5472759b1b7d10e44a5fb38c7331c50cbc8c40d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x627F | 10192 bytes |
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