MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with a primary malicious redirector URL identified as https://ttraff.cc/pify?keyword=change+singular+sentences+into+plural+worksheets. The document body, though heavily obfuscated, contains references to educational worksheets, likely a lure to encourage clicks on the malicious links. The ML classifier 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.cc/pify?keyword=change+singular+sentences+into+plural+worksheets
- http://kixes.reinventinglife.co.uk/uploads/1/3/1/3/131383613/5244268.pdf
- http://lepetikim.earthjoysnacks.com/uploads/1/3/1/0/131071278/4387013.pdf
- http://wotefax.hudsonband.org/uploads/1/3/0/7/130776508/kunupowovuk-goguvujidiladow.pdf
- http://files.afilteredview.com/uploads/1/3/1/8/131857308/8613222.pdf
- http://files.lambdamusicschool.com/uploads/1/3/1/1/131163780/72937b7c2481e.pdf
- https://cdn.shopify.com/s/files/1/0430/7743/5556/files/vebodewomokib.pdf
- https://cdn.shopify.com/s/files/1/0429/8234/2815/files/basic_english_grammar_1_2.pdf
- https://cdn.shopify.com/s/files/1/0431/4395/4594/files/pijuke.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/4155504299.pdf
- https://cdn.shopify.com/s/files/1/0434/3077/2901/files/vojabuvabogamunari.pdf
- https://cdn.shopify.com/s/files/1/0428/1355/4855/files/75054386821.pdf
- https://cdn.shopify.com/s/files/1/0429/1608/5923/files/95150952463.pdf
- https://cdn.shopify.com/s/files/1/0433/8352/1445/files/bose_soundsport_free_wireless_manual.pdf
- https://cdn.shopify.com/s/files/1/0427/4411/9462/files/30902329896.pdf
- https://cdn.shopify.com/s/files/1/0431/5525/9546/files/ccdc_2_contract.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_off0000a363.bin4aba2bb845853324476be69e5ed1bf4ff35002942389efac2b843cac1129f0e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA363 | 2828 bytes |
font_01_sfnt_off0000ad5e.bin8e91b9ec0e17128d2737ef15284e87a7997df780a90547ac4ddccfc6504cc741 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD5E | 5256 bytes |
font_02_sfnt_off0000bf4b.bin1d31506b2a95b6b1eb680a06bc2c942bdb9213f17b638a3e3099f82dc7122ad3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF4B | 9860 bytes |
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