MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the malicious URL and references to SEO-optimized PDF links, suggesting a link farm or SEO poisoning attack.
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/wix?keyword=return+partial+view+in+ajax+call+mvc
- https://cdn.shopify.com/s/files/1/0437/6294/2101/files/advantages_and_disadvantages_of_systematic_random_sampling.pdf
- https://cdn.shopify.com/s/files/1/0432/1830/5179/files/82196083635.pdf
- https://cdn.shopify.com/s/files/1/0437/6671/0429/files/round_up_c.pdf
- https://cdn.shopify.com/s/files/1/0440/2325/1094/files/misoludejazalob.pdf
- https://cdn.shopify.com/s/files/1/0429/6992/3740/files/vezefin.pdf
- https://cdn.shopify.com/s/files/1/0434/1334/0312/files/xenasemukidejixudepav.pdf
- https://static.usrfiles.com/ugd/b8c837_b9f395fc2c864c989723d751dcb105d5.pdf
- https://static.usrfiles.com/ugd/4cf28d_d6c94a0615204007b6d5630966e288b5.pdf
- https://cdn.shopify.com/s/files/1/0437/7516/4574/files/larinek.pdf
- https://cdn.shopify.com/s/files/1/0433/0304/3230/files/el_alcohol_en_los_adolescentes.pdf
- https://cdn.shopify.com/s/files/1/0428/2309/0343/files/kovenufagevuzatin.pdf
- https://cdn.shopify.com/s/files/1/0435/7446/0579/files/empirical_formula_and_molecular_formula_questions.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_off00007a9b.bin0b3b02740286e78a298124a597ac1ef97cb96d1fe6199e142f827430e1510c7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A9B | 5204 bytes |
font_01_sfnt_off00008c50.binc0ff1b9bf786e38da044d0c6e1c295ae8b65c07b8b66c90b22aee5d265d244e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C50 | 14496 bytes |
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