MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm pointing to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.cc/pify?keyword=cup+of+tea+song++djjohal. The document body appears to be heavily obfuscated or corrupted, but the presence of multiple Shopify-hosted PDF links and other suspicious URLs suggests a lure to download further malicious content. The ML classifier strongly flagged this PDF as malicious.
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=cup+of+tea+song++djjohal
- http://dixol.monsieurwowk.com/uploads/1/3/0/7/130739173/denufi.pdf
- http://files.cleanenergymass.org/uploads/1/3/1/4/131453021/7f451c9416.pdf
- https://cdn.shopify.com/s/files/1/0450/3525/8020/files/movie_taken_3_free.pdf
- https://cdn.shopify.com/s/files/1/0429/1536/5031/files/53342130318.pdf
- https://cdn.shopify.com/s/files/1/0430/9424/5537/files/57039853879.pdf
- https://cdn.shopify.com/s/files/1/0437/6998/7221/files/3922877978.pdf
- https://cdn.shopify.com/s/files/1/0436/3229/6089/files/libro_el_cerebro_del_nio.pdf
- https://cdn.shopify.com/s/files/1/0435/1292/2264/files/mirubukilireroso.pdf
- https://cdn.shopify.com/s/files/1/0438/6629/2389/files/84613252923.pdf
- https://cdn.shopify.com/s/files/1/0438/9309/6600/files/calendario_liga_aguila_2020_2.pdf
- https://cdn.shopify.com/s/files/1/0434/9604/6752/files/vorawusaluwimowoluviwujof.pdf
- https://cdn.shopify.com/s/files/1/0437/8515/8807/files/pepolizabaporizarabizebaj.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_off00004845.bin830347fcdd2d4bf7dc2834a848625404d8d5d846b1dcb84c6153a7313b246bd2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4845 | 5188 bytes |
font_01_sfnt_off000059ee.binf36f4311fd562b0f14e1f9886854496ab5e377e49fadce8f4089385d0c109198 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59EE | 10272 bytes |
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