MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'South western federal taxation 2017 pdf' and the malicious URL, suggesting a phishing lure. The ML classifier also strongly indicated maliciousness.
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.ru/wix?keyword=south+western+federal+taxation+2017+pdf
- https://cdn.shopify.com/s/files/1/0454/7146/5630/files/jetugilawuwurigo.pdf
- https://cdn.shopify.com/s/files/1/0439/7491/8302/files/dadugifopuwixikaxixese.pdf
- https://cdn.shopify.com/s/files/1/0437/4714/7928/files/vavunosisajefuba.pdf
- https://cdn.shopify.com/s/files/1/0428/8030/3267/files/palabras_basicas_en_ingles.pdf
- https://cdn.shopify.com/s/files/1/0430/1327/5811/files/zoroxukugomeremimekovalom.pdf
- https://static.usrfiles.com/ugd/de65f7_2c4c053eb8e04ee8a1dec5799dd5ba1d.pdf
- https://cdn.shopify.com/s/files/1/0433/7300/2906/files/sonevepolariridotivujiku.pdf
- https://cdn.shopify.com/s/files/1/0436/4845/0718/files/32356525433.pdf
- https://cdn.shopify.com/s/files/1/0435/2226/1143/files/ratixawaxutesifivef.pdf
- https://cdn.shopify.com/s/files/1/0430/3932/6361/files/67765522057.pdf
- https://cdn.shopify.com/s/files/1/0434/4047/2214/files/vitoxetagosuxipewiwar.pdf
- https://cdn.shopify.com/s/files/1/0435/4369/1419/files/xivipilawanoxotij.pdf
- https://cdn.shopify.com/s/files/1/0440/8626/3960/files/best_trucker_gps.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_off00004655.bin0d3e8407a1e26658f6a7273fcbaaf988daddf176de60c087f8121c267c582abb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4655 | 5800 bytes |
font_01_sfnt_off00005a29.bine341902b500cf081c4b1126318d0a6c3e07d21d4d9e8c40d8a2f32beaf3c4046 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A29 | 9960 bytes |
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