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 primary malicious URL identified is https://ttraff.com/pify?keyword=english+learning+pdf+sinhala. The document body, though heavily obfuscated, contains this URL and other links to Shopify domains, suggesting a lure to download further content. The ML classifier strongly supports the malicious verdict.
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/pify?keyword=english+learning+pdf+sinhala
- http://files.kirstenimanikasai.com/uploads/1/3/1/0/131070872/2447360.pdf
- http://files.nefrologiedagen.nl/uploads/1/3/1/0/131070849/xigomusakid.pdf
- http://files.odylicforce.co.uk/uploads/1/3/1/8/131856380/aa4eb6d0f1d0.pdf
- http://zokuva.littlesilverems.com/uploads/1/3/1/1/131164250/resazilif-bazozaduvi.pdf
- http://files.pavilion-residences.com/uploads/1/3/0/7/130740174/2534051.pdf
- https://cdn.shopify.com/s/files/1/0433/9105/8076/files/61012037977.pdf
- https://cdn.shopify.com/s/files/1/0435/3343/5032/files/sks_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/0070/9791/files/80595734056.pdf
- https://cdn.shopify.com/s/files/1/0459/1783/1319/files/88549693569.pdf
- https://cdn.shopify.com/s/files/1/0432/9160/7190/files/48075034127.pdf
- https://cdn.shopify.com/s/files/1/0433/3161/6918/files/negoxo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/50833930904.pdf
- https://cdn.shopify.com/s/files/1/0436/9245/8152/files/82876197627.pdf
- https://cdn.shopify.com/s/files/1/0449/5550/0712/files/automatisme_cardiaque.pdf
- https://cdn.shopify.com/s/files/1/0429/2732/5343/files/26653595638.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007087.bin5597b3bf64ccd20259cb5b62f9e0754764ecae2730fb735fa49be2045c5ba905 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7087 | 5260 bytes |
font_01_sfnt_off00008219.bin2fe0a1af56be9e5a02edda7fb3aa68dffcb7d2c9b777ff537d1ce1d655dfee90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8219 | 3640 bytes |
font_02_sfnt_off00008f86.bin7a2e1731955a6c92465e8469a3fdbeca117f991b1916068247911df1f4382674 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F86 | 14084 bytes |
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