MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=cell+culture+methods+pdf', suggesting a lure for users searching for 'cell culture methods pdf'. The ML classifier strongly supports 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/pify?keyword=cell+culture+methods+pdf
- http://files.cheongjuguide.com/uploads/1/3/0/7/130776031/wovuworivesobaw-retevibebo-duwesul-jedamikiresapes.pdf
- http://files.seattosleep.co.uk/uploads/1/3/1/6/131606122/rikigubom.pdf
- http://files.cuesign.org/uploads/1/3/1/3/131384335/f80d1c.pdf
- http://files.amyfreeman.net/uploads/1/3/0/7/130775462/bupazatonosajuk.pdf
- http://files.nationals2020.com/uploads/1/3/1/4/131483249/698336.pdf
- https://cdn.shopify.com/s/files/1/0437/7319/8497/files/fetojekuxaz.pdf
- https://cdn.shopify.com/s/files/1/0433/2634/1272/files/dogevusesagevetilisiw.pdf
- https://cdn.shopify.com/s/files/1/0429/6628/6490/files/dazorud.pdf
- https://cdn.shopify.com/s/files/1/0439/3733/3406/files/60596479498.pdf
- https://cdn.shopify.com/s/files/1/0429/2929/1427/files/10314007757.pdf
- https://cdn.shopify.com/s/files/1/0438/8909/8907/files/sivebeba.pdf
- https://cdn.shopify.com/s/files/1/0428/9573/6988/files/dudewesefibetu.pdf
- https://cdn.shopify.com/s/files/1/0432/0002/0635/files/53997930000.pdf
- https://cdn.shopify.com/s/files/1/0438/6881/5528/files/fallout_76_perk_chart.pdf
- https://cdn.shopify.com/s/files/1/0430/3680/3233/files/76352642744.pdf
- https://cdn.shopify.com/s/files/1/0432/8305/4757/files/60584631589.pdf
- https://cdn.shopify.com/s/files/1/0437/5085/0709/files/xevulesad.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_off000147c5.bin5c9d9d40e9d7154c091c35d5f163350beeb85ba76afe8dcfc6fe0c5af1d6162a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147C5 | 5092 bytes |
font_01_sfnt_off000158e7.binbcaa9add5c7b40050f21feb69da3d373e8b440470e476051616d4b2f90f073fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x158E7 | 15120 bytes |
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