MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the one identified by the redirector heuristic. The sample also exhibits characteristics of a PDF link farm, with many URLs pointing to Shopify domains, likely an attempt to disguise malicious activity. No scripts were extracted from this sample.
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=diaphragmatic+breathing+video
- http://files.savastanospizza.com/uploads/1/3/0/7/130775435/7b6b2b07c5.pdf
- https://cdn.shopify.com/s/files/1/0429/7284/0090/files/pisivuxe.pdf
- https://cdn.shopify.com/s/files/1/0437/2358/7733/files/calculus_1_formulas.pdf
- https://cdn.shopify.com/s/files/1/0431/0158/5570/files/61277929169.pdf
- https://cdn.shopify.com/s/files/1/0433/6363/1272/files/84085431166.pdf
- https://cdn.shopify.com/s/files/1/0438/5452/8677/files/396337748.pdf
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/lijudexinijazexagefefi.pdf
- https://cdn.shopify.com/s/files/1/0459/1462/0053/files/batman_the_dark_knight_hub.pdf
- https://cdn.shopify.com/s/files/1/0435/1829/6232/files/51925768150.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86562581376.pdf
- https://cdn.shopify.com/s/files/1/0455/8025/5397/files/two_dimensional_shapes_and_their_properties.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_off000069e6.bin9715821cd208396afb8884a1a958ce1cad4a0552009bb336e564c14a288139a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69E6 | 5476 bytes |
font_01_sfnt_off00007c5c.bin0d4f1b9f05a2e3ebcf8a18a4af1bc436f24dd5425d4d2110e1d7ba2328d44166 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C5C | 10216 bytes |
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