MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains a URL that appears to be a redirector, and numerous other embedded links were found, many pointing to external resources. The primary malicious activity appears to be the distribution of links to potentially harmful 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=can%2527+t+help+falling+in+love++haley
- http://ravuv.richmondinsight.com/uploads/1/3/0/7/130776485/5338455.pdf
- http://gevufape.fleischerstudios.com/uploads/1/3/2/6/132680981/ruxomu.pdf
- http://rekadab.bravingmidlife.com/uploads/1/3/2/6/132681670/a03f8.pdf
- http://bakasinu.michaelhadjimichael.com/uploads/1/3/0/7/130738531/4692345.pdf
- https://cdn.shopify.com/s/files/1/0437/0202/6393/files/fapajojuxixiz.pdf
- https://cdn.shopify.com/s/files/1/0434/6455/6710/files/24901197059.pdf
- https://cdn.shopify.com/s/files/1/0460/9363/1652/files/funny_mind_blowing_riddles_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/3504/1693/files/21549034366.pdf
- https://cdn.shopify.com/s/files/1/0432/9232/8104/files/fenukovukane.pdf
- https://cdn.shopify.com/s/files/1/0434/6803/0102/files/lonega.pdf
- https://cdn.shopify.com/s/files/1/0438/0780/1504/files/anthropometry_for_designers.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78299439052.pdf
- https://cdn.shopify.com/s/files/1/0432/6532/7262/files/seditetulumikifu.pdf
- https://cdn.shopify.com/s/files/1/0428/4016/2470/files/badivedotezumedevurek.pdf
- https://cdn.shopify.com/s/files/1/0432/1371/7662/files/wuwatufajegoweguninu.pdf
- https://cdn.shopify.com/s/files/1/0431/1128/4893/files/pologuv.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_off00004d69.bin99c598bbda7bb1f9b207f7c640a48c03b696924d36247ae48ac62532f94c642d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D69 | 4992 bytes |
font_01_sfnt_off00005e80.bin218ec53ae55696a4fa0fd4e62e3ba60392de16c0c05b61e1a76dabb9f8b9d5b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E80 | 9600 bytes |
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