MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with the primary malicious link identified as a redirector to 'https://ttraff.ru/pify?keyword=argumentative+essay+samples+pdf'. The document also exhibits characteristics of a PDF link farm, with numerous links pointing to external PDFs hosted on platforms like Shopify. This suggests an attempt to manipulate search engine results or distribute content through a network of linked documents. 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/pify?keyword=argumentative+essay+samples+pdf
- http://files.dawnstastyspoon.com/uploads/1/3/0/9/130968920/bajatutudofa_ponosiv_tonavo.pdf
- http://files.nataliekeymist.com/uploads/1/3/1/4/131437530/8250131.pdf
- http://files.lukefranco.org/uploads/1/3/0/7/130738812/pamejenax-wanaxa.pdf
- http://files.woodlawncountryclubfc.com/uploads/1/3/1/6/131636972/lariragovof.pdf
- http://zifaguki.tajaddodorthodontics.com/uploads/1/3/2/8/132815002/03cb82d1b7e26.pdf
- https://cdn.shopify.com/s/files/1/0437/2742/1608/files/53426431898.pdf
- https://cdn.shopify.com/s/files/1/0431/4890/2554/files/47273638590.pdf
- https://cdn.shopify.com/s/files/1/0429/0494/4807/files/48601338001.pdf
- https://cdn.shopify.com/s/files/1/0434/0911/3240/files/fogolede.pdf
- https://cdn.shopify.com/s/files/1/0431/3543/4901/files/93926545667.pdf
- https://cdn.shopify.com/s/files/1/0434/4047/2214/files/bob_net_banking_application_form.pdf
- https://cdn.shopify.com/s/files/1/0430/6187/0746/files/sejelodom.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/libidurekatomanazavevufi.pdf
- https://cdn.shopify.com/s/files/1/0429/6222/3263/files/13300448029.pdf
- https://cdn.shopify.com/s/files/1/0433/8450/4474/files/85016112885.pdf
- https://cdn.shopify.com/s/files/1/0428/5526/8519/files/pdf_writer_mac.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_off00009255.bin30818951e6d4cccf987517a1ceeb87b4d53bc1bacc3a908d5f113f87a8970b0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9255 | 5512 bytes |
font_01_sfnt_off0000a50e.bin2e0347770a14c7d2de9c4ce141c8be80eee9a69de4d059703a7550d6269c65c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA50E | 10640 bytes |
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