MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, with one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting a SEO poisoning or redirection attack. No scripts were extracted, limiting the analysis of direct payload delivery.
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=carbon+and+nitrogen+cycle+pdf
- http://xepine.buildidahogreen.com/uploads/1/3/0/8/130813332/208e33570.pdf
- http://wunad.lifeteaa.com/uploads/1/3/1/4/131453574/towirigeze_wekexonilesexe_lanulurizi_xulepogezu.pdf
- http://tepedono.oiaracing.com/uploads/1/3/0/7/130739777/df83c.pdf
- http://toxev.noreencoupenpleinair.com/uploads/1/3/1/6/131606758/cbcccf.pdf
- https://cdn.shopify.com/s/files/1/0430/9480/2583/files/gukumikufusu.pdf
- https://cdn.shopify.com/s/files/1/0431/5152/4001/files/vawogal.pdf
- https://cdn.shopify.com/s/files/1/0433/8437/3406/files/linear_programming_in_r.pdf
- https://cdn.shopify.com/s/files/1/0435/4742/6975/files/pedialyte_nutrition_label.pdf
- https://cdn.shopify.com/s/files/1/0427/6705/7063/files/kamuzixidunusurimale.pdf
- https://cdn.shopify.com/s/files/1/0431/5519/4011/files/fetexajewarovoneku.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mubexuv.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97697777452.pdf
- https://cdn.shopify.com/s/files/1/0432/7958/1352/files/84753507293.pdf
- https://cdn.shopify.com/s/files/1/0429/1634/8057/files/tisutojawufidovexasobu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nuruge.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_off000060dc.bin2287a5ccc01dc7650f25e4538c20c9640598daf7309469defa96c1418906d695 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60DC | 5292 bytes |
font_01_sfnt_off000072f2.binb0388df8840cc4d2c7af32bb96f4a5a6f220b6d29a5ce6d1f23215cf4575f218 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72F2 | 10120 bytes |
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