MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Addends
The PDF file exhibits malicious behavior through a high density of embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or direct users to malicious content. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further stages of an attack.
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/wb?keyword=assessment%20of%20semester%20system%20pdf
- http://dogoxi.shamelesspress.com/uploads/1/3/0/8/130813528/wiwopejunamawu.pdf
- http://files.asianairspace.com/uploads/1/3/0/7/130775201/8053209.pdf
- http://bojafer.foothillmiddlecollege.org/uploads/1/3/0/9/130969060/1068611.pdf
- http://jusowu.hscgeographyeconomicactivity.hsieteachers.com/uploads/1/3/2/7/132710712/botewobigemop.pdf
- http://files.knozeythetraveler.com/uploads/1/3/0/9/130969573/9280485.pdf
- https://cdn.shopify.com/s/files/1/0447/1436/0985/files/articulos_de_tanatologia_forense.pdf
- https://cdn.shopify.com/s/files/1/0440/7338/6136/files/nutrient_agar_merck.pdf
- https://cdn.shopify.com/s/files/1/0433/0189/6347/files/kajutuj.pdf
- https://cdn.shopify.com/s/files/1/0439/4464/0667/files/29760972741.pdf
- https://cdn.shopify.com/s/files/1/0434/6265/6165/files/37168147847.pdf
- https://cdn.shopify.com/s/files/1/0430/2556/3801/files/38309881295.pdf
- https://cdn.shopify.com/s/files/1/0437/4292/0869/files/75917984678.pdf
- https://cdn.shopify.com/s/files/1/0435/2521/0263/files/apposer_une_signature_sur_un_document.pdf
- https://cdn.shopify.com/s/files/1/0435/1311/8872/files/spencerian_practice_sheets.pdf
- https://cdn.shopify.com/s/files/1/0433/9888/9635/files/jivoresoniremowot.pdf
- https://cdn.shopify.com/s/files/1/0434/2936/3878/files/spelling_bee_grade_3_word_list.pdf
- https://cdn.shopify.com/s/files/1/0431/8996/0861/files/bela_bartok_mikrokosmos_volume_1.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 |
|---|---|---|---|
font_00_sfnt_off00005b24.bin8009517652169ccdf1c7dd2fa10f7cb887691ceabff61213e24a35c9d840bcf5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B24 | 4776 bytes |
font_01_sfnt_off00006b46.bin27ac4a3959fefbda2c32cf4565c97b7df6b943f1bf0c109e58a8a911e4449c23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B46 | 9612 bytes |
font_02_sfnt_off00008c20.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C20 | 4324 bytes |
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