MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links to various domains, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also strongly indicated maliciousness. The document body text is largely unreadable, but the presence of numerous URLs suggests a link farm or distribution mechanism for further malicious content. The primary attack pattern observed is the embedding of a mass of external links.
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://julielinkins.com/uploads/1/3/0/4/130477018/130477018.html#escalas+de+temperatura+en+fisica+formulas
- http://dorothyradio.com/uploads/1/3/0/2/130287537/nezaxunu_zegetuwebukig.pdf
- http://premiersolutionsservices.com/uploads/1/3/0/5/130551467/vujadakurekezov_toreb_gutovorefip.pdf
- http://kulalucampkenya.com/uploads/1/3/0/4/130489168/kuzunemijeleb_pekofesom.pdf
- http://phtrial.com/uploads/1/3/1/3/131380284/nikubenuroragiw_tapuwo.pdf
- http://secondchancecommunications.com/uploads/1/3/1/4/131406395/4d4e5332.pdf
- http://makeupbycourtney.com/uploads/1/3/0/9/130969614/nokutoduxixorufide.pdf
- http://mediapainrelief.com/uploads/1/3/0/6/130639643/tusinotikitowezuba.pdf
- http://withinrange.org/uploads/1/3/0/9/130969926/c1004619c3.pdf
- http://wakeupproductions.net/uploads/1/3/1/4/131438110/jukotodagutigopud.pdf
- http://knowledgeonthespot.org/uploads/1/3/0/7/130738567/5e17079da848f8.pdf
- http://destaethiopiannj.com/uploads/1/3/0/7/130776594/3234736.pdf
- http://alquilerconstrutu.com/uploads/1/3/0/6/130621613/8178599.pdf
- http://tinasfunforfive.com/uploads/1/3/0/6/130621031/wazudifovegodoz.pdf
- http://astrowitchcraft.com/uploads/1/3/0/2/130289532/6f9c5a90bc9b.pdf
- http://americankappleiks.com/uploads/1/3/0/6/130620763/jojulisujib.pdf
- http://divineelevation.net/uploads/1/3/0/6/130603814/fc9ff1.pdf
- http://hopefullynotbroken.com/uploads/1/3/0/2/130273980/c035014.pdf
- http://culinaryathomellc.com/uploads/1/3/0/5/130538839/jorigatokoro-goniworuv.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/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007e4b.bin5628b812c5aeaea50569ee3294cd76a2f5a095242b07f1bb30021804c9e3cef1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E4B | 8836 bytes |
font_01_sfnt_off00009e9e.bin65ca2fa633a49bc637c245e3469a24bec82cbb291b9200d770c42ee2df1588ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E9E | 16096 bytes |
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