MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded external links, identified as a PDF link farm. The primary URL points to a page that also contains numerous links to other PDF files hosted on various domains. This behavior is indicative of SEO manipulation or a distribution method for further malicious content. No scripts were extracted, but the PDF structure itself facilitated the link farm.
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://jinduyulechengbaicaihuodong.br3h.com/uploads/1/3/0/4/130476853/130476853.html#www.+heart.+org+eccstudent+en+espa%25C3%25B1o
- http://cictestsite.com/uploads/1/3/1/3/131382373/tinimugupumojamovef.pdf
- http://sficreative.com/uploads/1/3/0/3/130313524/zugubivarowafizujog.pdf
- http://trijedbuilders.com/uploads/1/3/0/7/130776168/ponugu-poxuluri-gaxutadokosedu.pdf
- http://riverrepublicproductions.com/uploads/1/3/1/4/131407521/5a8c5889d7.pdf
- http://tallyuber.com/uploads/1/3/1/4/131438050/refidit_nafopivefulobol_wozijopubaxib.pdf
- http://thetinybakery.net/uploads/1/3/1/6/131606000/xikewabeja_bawazegowuleko.pdf
- http://youngspencil.com/uploads/1/3/0/2/130270823/mivegakokuki.pdf
- http://74-123-73-98.mgwnet.com/uploads/1/3/0/9/130969143/boxajopuguvixa.pdf
- http://pmosquad.com/uploads/1/3/0/2/130288751/wuruxuvoli.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://ganurotalupa.files.wordpress.com/2020/06/38686568309.pdf
- https://sijejikipil.files.wordpress.com/2020/06/6748133425.pdf
- https://jesopis.files.wordpress.com/2020/06/88444620993.pdf
- https://vapijusiv.files.wordpress.com/2020/06/pidewojup.pdf
- https://xupapinir.files.wordpress.com/2020/06/97478896441.pdf
- https://kijukadolok.files.wordpress.com/2020/06/nonivepivotum.pdf
- https://valoranas.files.wordpress.com/2020/06/xekaxililowi.pdf
- https://vafosanego.files.wordpress.com/2020/06/zobowopitakowixenozexa.pdf
- https://dadisegikew.files.wordpress.com/2020/06/44630280503.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://scripts.sil.org/OFL
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005007.bin75551bb5b72591313737245da4d2e5e103581bd63960c1a6af6ba2c6b6b0a41a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5007 | 10132 bytes |
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