MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though partially corrupted, includes text related to academic answers and the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier strongly indicated maliciousness, and the presence of a link farm points to SEO poisoning tactics.
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=the+new+gcse+arabic+companion+answers
- http://files.cbdisegno.net/uploads/1/3/0/7/130776368/2c5250f549eb.pdf
- http://files.agealive.org/uploads/1/3/1/4/131437236/waputexotajax-luxoki-busiso-didopever.pdf
- http://files.kathleenmoranart.com/uploads/1/3/1/0/131070374/kufelewekusapajelop.pdf
- https://cdn.shopify.com/s/files/1/0433/8017/9107/files/public_sector_accounting_and_finance_textbook.pdf
- https://cdn.shopify.com/s/files/1/0432/0601/7185/files/jemugelisabupewaxaxiw.pdf
- https://cdn.shopify.com/s/files/1/0431/7000/5156/files/autodesk_recap_photo_manual.pdf
- https://cdn.shopify.com/s/files/1/0427/7318/4678/files/factores_psicologicos_del_consumidor.pdf
- https://cdn.shopify.com/s/files/1/0432/5592/2856/files/66681156757.pdf
- https://cdn.shopify.com/s/files/1/0429/1792/0934/files/partquip_wheel_bearing_catalogue.pdf
- https://cdn.shopify.com/s/files/1/0434/4076/7132/files/59072161882.pdf
- https://cdn.shopify.com/s/files/1/0431/6299/2795/files/blackjack_game_c.pdf
- https://cdn.shopify.com/s/files/1/0429/4901/7756/files/pembuatan_arang_batok_kelapa.pdf
- https://cdn.shopify.com/s/files/1/0436/2692/2146/files/booklet_printing_adobe.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_off00004b39.bin2e6c098f46e331a266006669cb0d3c10addf774afc90f6d48b7da07d991c45ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B39 | 5496 bytes |
font_01_sfnt_off00005dd2.bin49cee349a900a91907385314ccb3f46e471c27caae0ae7152053031649dd7568 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DD2 | 10192 bytes |
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