MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. This suggests a link farm or SEO manipulation tactic. One of the embedded URIs, http://ghosttrainband.com/uploads/1/3/0/7/130739726/130739726.html#galaxy+s5e+android+10, is also present in the document body, indicating a potential lure for users to click through to external content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9886
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ghosttrainband.com/uploads/1/3/0/7/130739726/130739726.html#galaxy+s5e+android+10 PDF link annotation
- http://jeanetteobrien.net/uploads/1/3/0/2/130287311/448b4473d78.pdfIn PDF document text
- http://propertyinitiativesllc.com/uploads/1/3/0/3/130323106/rokudewiwadi.pdfIn PDF document text
- http://simplyearthmarket.com/uploads/1/3/1/6/131607943/vuloga.pdfIn PDF document text
- http://birdsbirdstaxidermy.com/uploads/1/3/1/4/131408248/nesipiw-gapomevas-jekamerovizuso-lajoraget.pdfIn PDF document text
- http://flexyourenglish.com/uploads/1/3/0/8/130814783/nekozaril.pdfIn PDF document text
- http://zumaan.com/uploads/1/3/0/2/130271111/b6c1596249ec0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b5b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5B1 | 9264 bytes |
SHA-256: ee40ad73616324bf18bdf734a1bb4ba1d37d86ee6d21e41e698017b6d58ce632 |
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font_01_sfnt_off0000d8e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E2 | 2652 bytes |
SHA-256: e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea |
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