MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file contains a significant number of external links, a technique often used in SEO link farms. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of a mass external link farm. The embedded URLs likely serve as lures or redirects to malicious content, although no specific payload execution was directly observed in this static analysis.
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://arcshiftshelf.com/uploads/1/3/0/6/130603935/130603935.html#calor+y+termodinamica+zemansky
- http://thh7.fakids.org/uploads/1/3/1/4/131412491/turivepimudomed.pdf
- http://standbyvacuum.com/uploads/1/3/0/5/130551262/wazapopo_tomixakosinifa.pdf
- http://liesbethrood.nl/uploads/1/3/0/5/130543121/gomakowagofovowogip.pdf
- http://frenchculinaryadventures.com/uploads/1/3/1/4/131437044/566150.pdf
- http://cherrycreekcheer.com/uploads/1/3/0/8/130873796/bimasaxovidox_zixugofoma_fozaraxipulu_rulutepa.pdf
- http://20180509.xyz/uploads/1/3/0/6/130621325/fe3bd725.pdf
- http://mchinsp.com/uploads/1/3/0/6/130639567/edaa1fee3c.pdf
- http://74-123-75-230.mgwnet.com/uploads/1/3/0/2/130288594/d6bdcfcad.pdf
- http://carolinarodriguezrealestate.com/uploads/1/3/2/3/132302802/wuwozaramofez.pdf
- http://jeanettelukens.com/uploads/1/3/1/4/131437792/makuxubisovisela.pdf
- http://g9ldl.dtmgt.com/uploads/1/3/1/4/131405927/14d55fe886b.pdf
- http://arcshiftshelf.com/uploads/1/3/0/6/130603935/terms.html
- http://arcshiftshelf.com/uploads/1/3/0/6/130603935/dmca.html
- http://arcshiftshelf.com/uploads/1/3/0/6/130603935/policy.html
- https://ruletiw.files.wordpress.com/2020/06/xafan.pdf
- https://zamomewa.files.wordpress.com/2020/06/21978093438.pdf
- https://tofipiboda.files.wordpress.com/2020/06/402890961.pdf
- https://tezaliloja.files.wordpress.com/2020/06/pawolude.pdf
- https://xewowinupi.files.wordpress.com/2020/06/vigoxuxeganitananaj.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_off00005768.bin11225b62ab911055026b04f2a4b306f3f2620ac77fde7c78c23f352fa4d8ee7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5768 | 11092 bytes |
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