MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF file contains a large number of external links, many pointing to other PDF documents hosted on various domains. This behavior is indicative of a link farm or SEO spam tactic, likely intended to drive traffic or potentially host malicious content. The document body text, though partially corrupted, includes references to academic subjects and software, suggesting a lure to appear legitimate. The primary attack pattern observed is the creation of a link farm to distribute traffic or potentially host further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 4
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://sydney.awrc.org.au/uploads/1/3/0/6/130604355/130604355.html#essentials+of+chemical+reaction+engineering+chegg PDF link annotation
- http://423.undesirable.us/uploads/1/3/1/1/131164007/xebutivukifo-pajokawasetukob.pdfIn PDF document text
- http://catfarm-studios.com/uploads/1/3/0/7/130739049/1156345.pdfIn PDF document text
- http://cordovatrust.com/uploads/1/3/0/7/130775228/zujaxogukumupesaduw.pdfIn PDF document text
- http://galaxypconline.com/uploads/1/3/0/4/130436288/voforozili-kofijeberoj-jikuxerogerir-manov.pdfIn PDF document text
- http://ghgwba.com/uploads/1/3/0/8/130873895/zatesojurix.pdfIn PDF document text
- http://hostmaster.equinetherapyservices.co.uk/uploads/1/3/0/5/130543552/japeni.pdfIn PDF document text
- http://east2westmedicine.com/uploads/1/3/0/8/130874260/2422189.pdfIn PDF document text
- http://silkaafifah.online/uploads/1/3/1/1/131164266/nivuxivuk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://negoxojes.files.wordpress.com/2020/06/44171210607.pdfIn PDF document text
- https://gosuguwe.files.wordpress.com/2020/06/jebedodusigiburipitozegex.pdfIn PDF document text
- https://lugolasef.files.wordpress.com/2020/06/ruduzekenituzapedifu.pdfIn PDF document text
- https://mofebim.files.wordpress.com/2020/06/50826131463.pdfIn PDF document text
- https://neguraxopon.files.wordpress.com/2020/06/93920786421.pdfIn 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
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F48 | 9868 bytes |
SHA-256: dc739aa661da00e83e605ab9a01f425f61ffcdd7199edeb3c3c94b5d9facf288 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.