MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.ru/pify?keyword=an+introduction+to+behavioural+economics+wilkinson+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL and another Shopify URL, suggesting a lure to download further 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.ru/pify?keyword=an+introduction+to+behavioural+economics+wilkinson+pdf
- http://files.mx.autumntheodorephotography.com/uploads/1/3/1/4/131406337/40366759b31003.pdf
- http://files.moonheim.com/uploads/1/3/2/7/132740362/5243905.pdf
- http://files.grayducks.org/uploads/1/3/1/4/131453588/raparapijeguluzenak.pdf
- https://cdn.shopify.com/s/files/1/0430/6622/8898/files/zobof.pdf
- https://cdn.shopify.com/s/files/1/0434/9798/0056/files/66362464722.pdf
- https://cdn.shopify.com/s/files/1/0434/5649/5783/files/79082592426.pdf
- https://cdn.shopify.com/s/files/1/0438/2405/4429/files/12275473523.pdf
- https://cdn.shopify.com/s/files/1/0434/4751/7341/files/kikikajokejozipananafiv.pdf
- https://cdn.shopify.com/s/files/1/0429/7100/5082/files/runurogukanetib.pdf
- https://cdn.shopify.com/s/files/1/0432/9714/4990/files/mosikitasosulomowa.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89965927340.pdf
- https://cdn.shopify.com/s/files/1/0437/0661/3912/files/13790089627.pdf
- https://cdn.shopify.com/s/files/1/0431/1931/3053/files/complete_interview_answer_guide.pdf
- https://cdn.shopify.com/s/files/1/0433/1087/4777/files/raxojafopawadumab.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_off000070bd.bin25ae22b7812bdcb5ef61eb6e35e64712afb892fb0d0bfc979637fa91e9218436 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70BD | 5620 bytes |
font_01_sfnt_off000083b7.binf13cbc67d558eedda1c1d2b13be5850cdeaafbacaeb249aba5ddc13d93880591 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83B7 | 10276 bytes |
font_02_sfnt_off0000a6cb.bin7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6CB | 4324 bytes |
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