MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the URL https://ttraff.cc/pify?keyword=nigerian+christian+songs+mix. The presence of numerous links to PDFs hosted on Shopify, some of which are confirmed benign, suggests an attempt to camouflage malicious links within a larger, seemingly legitimate set of resources. The ML classifier strongly indicated maliciousness, supporting the assessment of a malicious redirector.
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=nigerian+christian+songs+mix
- http://files.narayanahotelandresidences.com/uploads/1/3/1/3/131380895/wuladaribix.pdf
- http://files.crestviewcofc.com/uploads/1/3/1/1/131163976/2268022.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0453/2862/9915/files/neolithic_revolution_essay.pdf
- https://cdn.shopify.com/s/files/1/0435/1829/6216/files/ams_arbeitsbescheinigung.pdf
- https://cdn.shopify.com/s/files/1/0432/0513/2445/files/3392138540.pdf
- https://cdn.shopify.com/s/files/1/0432/1896/0545/files/zoboresumasabiw.pdf
- https://cdn.shopify.com/s/files/1/0432/0778/6651/files/surekekabadogulaxuj.pdf
- https://cdn.shopify.com/s/files/1/0439/1731/2152/files/totobiwu.pdf
- https://cdn.shopify.com/s/files/1/0430/6688/4250/files/vimezuxuterigufapogoduji.pdf
- https://cdn.shopify.com/s/files/1/0437/6834/8830/files/murugevadenejenilefobevil.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/
- http://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004ebd.bin6348cd9324b90b954ef0833c6f4c2102ff54af27ddd33cff4a69b4b6b9d752f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EBD | 5220 bytes |
font_01_sfnt_off00006055.bin83baaa480b80bac48ecad6738ae4e493ca9c5da4283cafada93537f1d5efdff7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6055 | 10044 bytes |
font_02_sfnt_off000082e8.bin9e8409b995ac2b0bb76eb3eb8dd1c90fa55d1c1c8a40bb5daa08ca4080948d13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82E8 | 18776 bytes |
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