MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with the primary one directing to a known malicious redirector. The document body, though partially obfuscated, includes the text 'A manual of engineering drawing for students and draftsmen' and the malicious URL, suggesting a lure to disguise the malicious intent. The ML classifier strongly indicated maliciousness, and the presence of a link farm further supports a malicious distribution pattern.
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=a+manual+of+engineering+drawing+for+students+and+draftsmen
- http://raguxat.salmonriverwoodworks.com/uploads/1/3/2/7/132740214/zibimam.pdf
- http://files.anna-pearson.com/uploads/1/3/1/4/131408465/wilurugap.pdf
- http://vikuvibop.annasworlds.com/uploads/1/3/1/3/131383664/1855542.pdf
- http://files.dressagestars.com/uploads/1/3/0/9/130969472/f15daf.pdf
- https://cdn.shopify.com/s/files/1/0459/6387/0368/files/gexarorekapexuvokanaluku.pdf
- https://cdn.shopify.com/s/files/1/0467/9968/3735/files/es3_to_online.pdf
- https://cdn.shopify.com/s/files/1/0430/7704/2325/files/2020_calendar_weeks.pdf
- https://cdn.shopify.com/s/files/1/0435/3723/6117/files/dieta_alcalina_cancer.pdf
- https://cdn.shopify.com/s/files/1/0432/6647/4139/files/tojuwita.pdf
- https://cdn.shopify.com/s/files/1/0428/8135/1839/files/hybrid_renewable_energy_systems.pdf
- https://cdn.shopify.com/s/files/1/0431/3566/4284/files/42633350784.pdf
- https://cdn.shopify.com/s/files/1/0429/2309/8279/files/fake_marriage_certificate.pdf
- https://cdn.shopify.com/s/files/1/0431/1796/9570/files/78667962906.pdf
- https://cdn.shopify.com/s/files/1/0432/2259/7796/files/wolotogodetoxo.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_off00005947.bin85f3a713c34add3278cc5498f9051a283d7acea705da2c0973b35665a04e58e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5947 | 5308 bytes |
font_01_sfnt_off00006b4d.bin22a524f5cdb7ff79bebbbbd8c8bbd730ad720fcef3bbae3cb59f86d43cd04d5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B4D | 9336 bytes |
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