MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, with one heuristic specifically identifying a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm strategy, aiming to lure users to potentially harmful sites. The presence of numerous Shopify-hosted PDFs suggests an attempt to blend malicious links with seemingly benign content.
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=medical+answering+service+oneida+county
- http://files.kangaroosatrisk.net/uploads/1/3/0/8/130814666/tivadojegamalemeniw.pdf
- http://files.nicolekejiawu.com/uploads/1/3/0/9/130969588/nedolefupurunesesom.pdf
- http://files.denverbellydance.com/uploads/1/3/0/9/130969535/937dc240bb33e0a.pdf
- https://cdn.shopify.com/s/files/1/0440/9311/2472/files/cuaderno_de_vacaciones_de_blackie_books.pdf
- https://cdn.shopify.com/s/files/1/0429/9581/0455/files/43280421582.pdf
- https://cdn.shopify.com/s/files/1/0429/4380/7654/files/32343219329.pdf
- https://cdn.shopify.com/s/files/1/0431/4926/3004/files/toxis.pdf
- https://cdn.shopify.com/s/files/1/0432/5195/7923/files/lepefafojurizorusod.pdf
- https://cdn.shopify.com/s/files/1/0436/0660/5987/files/74061187281.pdf
- https://cdn.shopify.com/s/files/1/0428/2161/5775/files/83403878087.pdf
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/beyond_anger_a_guide_for_men.pdf
- https://cdn.shopify.com/s/files/1/0430/8615/1834/files/gesujibidawatu.pdf
- https://cdn.shopify.com/s/files/1/0451/8638/4023/files/abnormal_psychology_test_bank.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_off00004a91.binb67173b2ecd5358d4e1ce2b2bce9d920aa3f18a8cb6699de1b2b98fa02ec3457 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A91 | 5368 bytes |
font_01_sfnt_off00005cf7.bind66e2a74b1dffe3ce0cdf8dc8c0f9feca0fbf3ae42c81f6feffb9126049259fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CF7 | 13996 bytes |
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