MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many pointing to Shopify domains, which is indicative of a link farm. One critical heuristic identified a link to a known malicious redirector, https://ttraff.cc/pify?keyword=indice+de+placa+bacteriana+o%2527+leary+pdf, suggesting a potential phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious. 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.cc/pify?keyword=indice+de+placa+bacteriana+o%2527+leary+pdf
- http://files.kumbalekguitars.com/uploads/1/3/0/7/130775645/kupekuf.pdf
- http://files.christineshanks.com/uploads/1/3/1/4/131437982/6064072.pdf
- http://ferujifa.belgianclubvictoria.org/uploads/1/3/1/4/131453067/fivosuwiru.pdf
- https://cdn.shopify.com/s/files/1/0430/3768/7962/files/25004788119.pdf
- https://cdn.shopify.com/s/files/1/0433/0936/7461/files/segesip.pdf
- https://cdn.shopify.com/s/files/1/0433/8122/7672/files/80110842590.pdf
- https://cdn.shopify.com/s/files/1/0434/2205/6600/files/rasiruvabepuwijavufunadu.pdf
- https://cdn.shopify.com/s/files/1/0436/8865/7049/files/lonozifibujubikapawipuz.pdf
- https://cdn.shopify.com/s/files/1/0430/4230/8250/files/sort_in_r.pdf
- https://cdn.shopify.com/s/files/1/0430/7573/1616/files/keboseworidafime.pdf
- https://cdn.shopify.com/s/files/1/0433/7637/8014/files/jeratojepokim.pdf
- https://cdn.shopify.com/s/files/1/0429/5901/2006/files/episode_prompto_trophy_guide.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_off000045b8.bin21321ccaef66e63d2ea9244c9b1f04ca82b0f127a61f650033612cf46396b588 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45B8 | 5184 bytes |
font_01_sfnt_off00005760.bin46e25c919519064052a8bdc87432d18eceea46505fb31015b35ae440525e0eee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5760 | 9356 bytes |
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