MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The ML classifier strongly indicates maliciousness. The document appears to be a lure, using the text 'Cuentas del balance general pdf' to entice clicks on the embedded malicious URL. The presence of numerous other Shopify links suggests a link farm or SEO manipulation tactic.
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.cc/pify?keyword=cuentas+del+balance+general+pdf
- http://files.edistoislandyouthrec.org/uploads/1/3/1/3/131380467/manikoropomume.pdf
- http://files.brothersinthewild.com/uploads/1/3/0/7/130739802/lokewavudukodig.pdf
- http://files.sweetpsalm.com/uploads/1/3/0/8/130874115/84d336fbc2bd3.pdf
- http://files.lightningkali.com/uploads/1/3/0/8/130873851/suniviwutajisa.pdf
- https://cdn.shopify.com/s/files/1/0428/9753/9231/files/236817867.pdf
- https://cdn.shopify.com/s/files/1/0431/7193/8453/files/38760081658.pdf
- https://cdn.shopify.com/s/files/1/0430/6976/7842/files/63047692882.pdf
- https://cdn.shopify.com/s/files/1/0435/2396/5079/files/69561591069.pdf
- https://cdn.shopify.com/s/files/1/0431/6394/3074/files/dozozotipukutad.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/69166134162.pdf
- https://cdn.shopify.com/s/files/1/0429/5114/7676/files/45931161842.pdf
- https://cdn.shopify.com/s/files/1/0430/7451/9194/files/2776589471.pdf
- https://cdn.shopify.com/s/files/1/0432/0424/7715/files/depoberaximurabajawitu.pdf
- https://cdn.shopify.com/s/files/1/0432/2358/0830/files/53764730929.pdf
- https://cdn.shopify.com/s/files/1/0434/8693/7253/files/23128739895.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_off00007de7.bin6a687e251ecd4efbf7c09d952af2c8b29f4af99de2808c32c99249d2242b11eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DE7 | 5208 bytes |
font_01_sfnt_off00008fa2.binb3c2b788e831512773f1adfadee41b3f6e892119a97fc1cad0684d3195060dc5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FA2 | 9900 bytes |
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