MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a large number of embedded links, with one pointing to a known malicious redirector. The document body and heuristics indicate a likely SEO manipulation or link farm tactic, potentially used to distribute further malicious content or to artificially inflate search rankings. The ML classifier strongly supports the malicious verdict.
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/wix?keyword=7th+grade+genetics+test
- https://cdn.shopify.com/s/files/1/0463/8821/5963/files/higher_or_lower_unblocked.pdf
- https://cdn.shopify.com/s/files/1/0435/8642/0893/files/alphabetical_order_worksheets_5th_grade.pdf
- https://cdn.shopify.com/s/files/1/0432/4704/2728/files/51695528768.pdf
- https://static.usrfiles.com/ugd/b8c837_1c55765bbe5749f695c7ef89e18e9ac8.pdf
- https://static.usrfiles.com/ugd/b8c837_f26783c5898343659938d719a5737507.pdf
- https://cdn.shopify.com/s/files/1/0432/2259/7800/files/83879009917.pdf
- https://cdn.shopify.com/s/files/1/0432/4484/7261/files/91479042675.pdf
- https://cdn.shopify.com/s/files/1/0438/7245/2776/files/58819449856.pdf
- https://cdn.shopify.com/s/files/1/0432/3108/4708/files/zopisujiwakipuva.pdf
- https://cdn.shopify.com/s/files/1/0435/5876/4696/files/wamosofagoweso.pdf
- https://cdn.shopify.com/s/files/1/0429/9423/7599/files/pabesoxifoworavurali.pdf
- https://cdn.shopify.com/s/files/1/0432/8669/1998/files/fibixasiwejazavuxuju.pdf
- https://cdn.shopify.com/s/files/1/0439/3140/2395/files/seesaw_i_need_you_remix.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_off00004a4d.binb04b483bf61f7479c4dadda051b60a0d49376752405404d7c5cda09484176dc7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A4D | 5152 bytes |
font_01_sfnt_off00005bd0.bin816dcd2a347c4e23665ea65de3f1be9733ffb07ec3d8733cbeeae67c07c77eed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BD0 | 15020 bytes |
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