MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a direct link to a known malicious redirector, disguised as a service manual. The ML classifier strongly indicates maliciousness. The primary attack vector appears to be social engineering via a deceptive document, leading users to click on the malicious URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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 https://ttraff.com/wb?keyword=eppendorf%20centrifuge%205415c%20service%20manual
- http://files.roberta-ricci.com/uploads/1/3/0/7/130738740/95794c.pdf
- http://files.lindajmann.org/uploads/1/3/2/3/132303226/mebidutixizelemajuwe.pdf
- http://files.futfemuniversal.com/uploads/1/3/2/6/132681156/4129992.pdf
- http://files.henfieldthenandnow.net/uploads/1/3/1/4/131438761/rixoxasogite.pdf
- http://files.jshel.co/uploads/1/3/1/4/131454523/1462010.pdf
- https://cdn.shopify.com/s/files/1/0432/0477/2000/files/3183605484.pdf
- https://cdn.shopify.com/s/files/1/0431/4664/1570/files/86934474853.pdf
- https://cdn.shopify.com/s/files/1/0430/3729/4745/files/14781011475.pdf
- https://cdn.shopify.com/s/files/1/0438/6209/8085/files/88504781504.pdf
- https://cdn.shopify.com/s/files/1/0428/6591/8118/files/tenafawagojozoninuxagesur.pdf
- https://cdn.shopify.com/s/files/1/0440/3471/9909/files/loluninipi.pdf
- https://cdn.shopify.com/s/files/1/0427/9628/6111/files/wadod.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85286147205.pdf
- https://cdn.shopify.com/s/files/1/0437/3820/2273/files/lemesabo.pdf
- https://cdn.shopify.com/s/files/1/0428/5697/2455/files/52356636583.pdf
- https://cdn.shopify.com/s/files/1/0436/3019/8937/files/32073600761.pdf
- https://cdn.shopify.com/s/files/1/0432/8246/4928/files/5263752914.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000057a0.binb7b9ce99fe1cbf996ff3708d1418a8c5be2f4b84f3e9309c27e9590812450006 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57A0 | 5756 bytes |
font_01_sfnt_off00006b44.bin2961dc6ce727d05fe286ad3918dd1a41e85de13c078cadc58b540343b68887b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B44 | 9952 bytes |
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