MALICIOUS
150
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 known malicious redirector. The document body, though heavily obfuscated, contains text related to 'arabic letters and sounds' and includes the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=introduction+to+arabic+letters+and+sounds+pdf
- http://files.termarkleather.com/uploads/1/3/2/6/132682665/85b01c3aa355523.pdf
- http://files.donnasboy.com/uploads/1/3/0/7/130775025/xezegejedu-gevegi-mubijotu.pdf
- http://files.davemcdermand.com/uploads/1/3/2/6/132695805/kubulus_mipufamenu_nuzoxelata.pdf
- http://gojorab.kcbeckerphotography.com/uploads/1/3/0/7/130775432/rugulufutuvekij-wudeligive-xafumesovirofu-kopixosewu.pdf
- http://files.tonywithers.co.uk/uploads/1/3/1/6/131606490/jalaxifawo.pdf
- https://cdn.shopify.com/s/files/1/0431/4529/8074/files/livabukojeki.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/magobusiriwolozun.pdf
- https://cdn.shopify.com/s/files/1/0432/0637/7633/files/past_tense_and_present_perfect_tense_exercises.pdf
- https://cdn.shopify.com/s/files/1/0429/0802/4985/files/57373267292.pdf
- https://cdn.shopify.com/s/files/1/0432/6657/2452/files/irenaean_theodicy.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kewosa.pdf
- https://cdn.shopify.com/s/files/1/0428/4085/0598/files/xiserofep.pdf
- https://cdn.shopify.com/s/files/1/0432/7427/2924/files/fajegugisokakubepalazuw.pdf
- https://cdn.shopify.com/s/files/1/0429/6785/9359/files/4120447573.pdf
- https://cdn.shopify.com/s/files/1/0429/0235/6127/files/35385206553.pdf
- https://cdn.shopify.com/s/files/1/0430/9814/4932/files/62597517939.pdf
- https://cdn.shopify.com/s/files/1/0429/8860/1503/files/amenaza_parto_pretermino_2020.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 |
|---|---|---|---|
stream_005_off0000941f.bin2b0c6282ac7b0d4b45382c06d6b1d3fa06e2832c5f7d0d6a68e0a77818c6d93b |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x941F | 17792 bytes |
font_00_sfnt_off00005feb.bin861fe3c781f8e94db9601c290a812f683226b6f514b49fc2d6033ed65c1e0775 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FEB | 5224 bytes |
font_01_sfnt_off000071b3.binff45eef12c46e627f2c477d97f439d98fca8d0a9953ecf2d23626efe8ae3ce39 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71B3 | 10064 bytes |
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