MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF document was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body and embedded artifacts reveal a large number of external links, with one specifically identified as a malicious redirector: https://ttraff.ru/pify?keyword=cerfa+2020+rici+pdf. The presence of numerous Shopify-hosted PDF links suggests a link farm or SEO poisoning tactic to distribute malicious content.
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=cerfa+2020+rici+pdf
- http://files.buckdeanery.org/uploads/1/3/1/6/131637257/busoza.pdf
- http://files.ajhealthylifestyles.com/uploads/1/3/0/7/130775137/nupen_titadokonetef.pdf
- http://files.sunnysidesymphony.org/uploads/1/3/0/8/130814666/kisigegis.pdf
- https://cdn.shopify.com/s/files/1/0431/1026/9085/files/atomic_theory_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/5407/9904/files/bedezuzoku.pdf
- https://cdn.shopify.com/s/files/1/0434/0655/7341/files/64298184512.pdf
- https://cdn.shopify.com/s/files/1/0433/4485/5195/files/33253524133.pdf
- https://cdn.shopify.com/s/files/1/0430/8772/4704/files/watch_princess_bride_online_free.pdf
- https://cdn.shopify.com/s/files/1/0431/5004/9448/files/77430282542.pdf
- https://cdn.shopify.com/s/files/1/0438/8116/9051/files/fodugipomepeze.pdf
- https://cdn.shopify.com/s/files/1/0432/5844/5979/files/2004_ford_expedition_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/3842/5767/files/44660324059.pdf
- https://cdn.shopify.com/s/files/1/0437/0753/1432/files/jegaganudubajalevesavamam.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_off00007f90.bin580e0c81c2294fb27b96d6c52aa62f62828d1078c52a7a2aeb811ee6f8bd9a3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F90 | 5116 bytes |
font_01_sfnt_off00009103.binde0837f67ce804d4b58673bbe4b29de7395f0deefefca9282b439b8d57def867 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9103 | 12660 bytes |
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