MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources. The primary redirector URL, https://ttraff.ru/pify?keyword=burrell+and+morgan+1979+book+pdf, is flagged as malicious. The ML classifier also strongly indicated maliciousness. The document's content appears to be obfuscated or corrupted, but the presence of a malicious redirector and a large number of links suggests a phishing or malware distribution attempt.
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=burrell+and+morgan+1979+book+pdf
- http://files.escondidofoundationarch.org/uploads/1/3/2/6/132695200/mirop_videmifajizema_welamegade.pdf
- http://gokova.13rays.org/uploads/1/3/1/4/131407315/6fb19.pdf
- http://files.jsmountainpondfarm.com/uploads/1/3/1/4/131438823/1908314.pdf
- https://cdn.shopify.com/s/files/1/0432/8967/3883/files/gubujinototikavebewume.pdf
- https://cdn.shopify.com/s/files/1/0431/4628/1120/files/kiresepegawavajaniviwifu.pdf
- https://cdn.shopify.com/s/files/1/0440/0440/9494/files/25640917825.pdf
- https://cdn.shopify.com/s/files/1/0435/4395/3567/files/minirudijitesurakovobo.pdf
- https://cdn.shopify.com/s/files/1/0433/9469/5324/files/kanokilupunodo.pdf
- https://cdn.shopify.com/s/files/1/0429/9980/8149/files/ripidigiwiposag.pdf
- https://cdn.shopify.com/s/files/1/0429/5802/8959/files/4118379005.pdf
- https://cdn.shopify.com/s/files/1/0430/4565/0586/files/41646156084.pdf
- https://cdn.shopify.com/s/files/1/0430/4610/9345/files/43243810160.pdf
- https://cdn.shopify.com/s/files/1/0432/0778/6654/files/mijisuxogilebo.pdf
- https://cdn.shopify.com/s/files/1/0430/5453/0709/files/30337545252.pdf
- https://cdn.shopify.com/s/files/1/0431/4356/1384/files/popoxilunojazavibasaxu.pdf
- https://cdn.shopify.com/s/files/1/0434/2333/4567/files/84058453949.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_off000043cf.bin0c325938c02a5365e2d70c83b0e3b63791a9d8eb56faa2d0a0f2c48852fdbcfa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x43CF | 5724 bytes |
font_01_sfnt_off00005742.bin37d702087a1ee0a9100d04489b037f0f33d5e5c0db6ac02bb3ed781190249adc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5742 | 8404 bytes |
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