MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at `ttraff.ru`. The document body, though heavily corrupted, contains the same book title and the malicious URL, suggesting a lure to disguise the malicious intent. 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/wb?keyword=mentes%20poderosas%20libro%20completo%20pdf
- http://files.sylvanbeachfestival.com/uploads/1/3/1/1/131163559/3706158.pdf
- https://cdn.shopify.com/s/files/1/0437/9063/1064/files/28939876546.pdf
- https://cdn.shopify.com/s/files/1/0436/0863/7602/files/carbon_cycle_steps_explained.pdf
- https://cdn.shopify.com/s/files/1/0447/7042/7031/files/lead_acid_battery_chemical_reaction.pdf
- https://cdn.shopify.com/s/files/1/0434/3365/6476/files/gosadumofegesuwevi.pdf
- https://cdn.shopify.com/s/files/1/0427/8360/4903/files/rikixobazijuzisuvakojub.pdf
- https://cdn.shopify.com/s/files/1/0431/5542/3383/files/79692660558.pdf
- https://cdn.shopify.com/s/files/1/0433/0458/3318/files/denemipanodubelubo.pdf
- https://cdn.shopify.com/s/files/1/0437/1942/6197/files/children_handwriting_font.pdf
- https://cdn.shopify.com/s/files/1/0430/7602/6522/files/rekesobinapuvurewave.pdf
- https://cdn.shopify.com/s/files/1/0429/7388/8671/files/fovidanaduvufifuv.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006079.bin8bce96048870f4bc32e0ac35ff15d62e59ddc11b9a0b98ba66a0695e1b7aeeba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6079 | 5448 bytes |
font_01_sfnt_off000072ea.binac41d272d27b3e36fbe426829f15dae0cdf09a704053136304bc9c20226a23eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72EA | 10292 bytes |
font_02_sfnt_off0000965c.bin50fa7af27c25b128d6dc03f2102504a514153a9bc8f7f9528091362b98e8f6b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x965C | 16380 bytes |
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