MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one identified as a malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that aligns with the malicious redirector finding. The presence of numerous links, many pointing to Shopify domains with PDF slugs, suggests a link farm or SEO poisoning tactic to distribute malicious 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=advantages+and+disadvantages+of+computer+technology+pdf
- http://files.vermontphotos.net/uploads/1/3/0/8/130814382/1951850.pdf
- http://fivobab.pathwaysretreat.org/uploads/1/3/1/4/131452958/6327212.pdf
- http://files.ineslampreia.com/uploads/1/3/0/7/130740625/7c43f893fcf66c.pdf
- http://files.cvsmusic.com/uploads/1/3/2/6/132681559/sewiwazis.pdf
- http://www.fotolia.com''gt;Fotolia.com/a'gt
- https://cdn.shopify.com/s/files/1/0436/1430/6467/files/blaise_cendrars.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kitona.pdf
- https://cdn.shopify.com/s/files/1/0431/2154/1271/files/82540555169.pdf
- https://cdn.shopify.com/s/files/1/0428/8629/9815/files/15686205417.pdf
- https://cdn.shopify.com/s/files/1/0432/1522/4996/files/sizemiwusukurirajori.pdf
- https://cdn.shopify.com/s/files/1/0431/6997/2392/files/arm_assembly_language_programming_book.pdf
- https://cdn.shopify.com/s/files/1/0437/0802/2938/files/80486269678.pdf
- https://cdn.shopify.com/s/files/1/0430/3667/2162/files/ignou_ma_public_administration_disaster_management.pdf
- https://cdn.shopify.com/s/files/1/0433/5036/0232/files/curso_de_ingles_download.pdf
- https://cdn.shopify.com/s/files/1/0439/1606/6971/files/electrochemical_supercapacitors_conway.pdf
- https://cdn.shopify.com/s/files/1/0428/5107/4214/files/problem_statement_in_research.pdf
- http://www.fotolia.com
- 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_off00006632.bin7de755a657f117a84079bc6485542b6a581420ccb732367229ce8ad306ea055a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6632 | 5720 bytes |
font_01_sfnt_off0000798e.bin7caa48eaa861cd9e0c1b17600e025919bc5d77d6d0daf1671d24d356b74761b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x798E | 10012 bytes |
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