MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including Shopify. One of the primary links, 'https://ttraff.cc/pify?keyword=hidroxiureia+na+anemia+falciforme+pdf', is identified as a malicious redirector. This suggests the document's purpose is to act as a link farm, directing users to potentially malicious content through a series of redirects and disguised links.
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=hidroxiureia+na+anemia+falciforme+pdf
- http://files.midwifeaddison.com/uploads/1/3/1/3/131379477/sonemagek_mazera_xebav.pdf
- http://files.wavesyogastudio.com/uploads/1/3/1/6/131636700/1131704.pdf
- http://files.whatsgoingonatpoundlane2020.com/uploads/1/3/1/6/131606179/07b4a98.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71062637782.pdf
- https://cdn.shopify.com/s/files/1/0431/5598/0445/files/mvk_on_ps3.pdf
- https://cdn.shopify.com/s/files/1/0431/4143/1464/files/24437088357.pdf
- https://cdn.shopify.com/s/files/1/0429/9957/8773/files/verusafe.pdf
- https://cdn.shopify.com/s/files/1/0433/8089/9989/files/92155036652.pdf
- https://cdn.shopify.com/s/files/1/0438/2107/2546/files/october_2020_calendar_template.pdf
- https://cdn.shopify.com/s/files/1/0428/0349/5071/files/50378033651.pdf
- https://cdn.shopify.com/s/files/1/0431/1423/4016/files/comfort_zone_cz499r.pdf
- https://cdn.shopify.com/s/files/1/0438/5410/2688/files/mokeditasixugew.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_off00005f3d.bin1aff08f7cdb989f9226496aff16ffb20b06b32b554b13ffe20121c390d6e69d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F3D | 5152 bytes |
font_01_sfnt_off000070b2.binc92260b9bae3c0c8419434ed867a6bbe8b718d2893f38e27a8ba16cf6d86b140 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70B2 | 11000 bytes |
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