MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high density of external links, many pointing to Shopify domains, but one critical link to 'ttraff.cc' is identified as a malicious redirector. The document body, though partially corrupted, contains text related to financial mathematics and the URL that triggered the malicious redirector heuristic. This suggests a social engineering attempt to lure users to a malicious site under the guise of providing financial documents.
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=anualidades+anticipadas+matem%25C3%25A1ticas+financieras+pdf
- http://files.marvinsflyingdisccollection.com/uploads/1/3/1/3/131384025/330545.pdf
- http://files.highdene.com/uploads/1/3/1/4/131453818/lusezuvexudebo_ronalaz.pdf
- http://files.aahandcrafted.com/uploads/1/3/1/8/131857152/4002979.pdf
- https://cdn.shopify.com/s/files/1/0431/5545/6149/files/pdf_to_ngpdf.pdf
- https://cdn.shopify.com/s/files/1/0450/4210/6518/files/self_appraisal_answers_examples.pdf
- https://cdn.shopify.com/s/files/1/0430/0016/8597/files/tugeravipugerina.pdf
- https://cdn.shopify.com/s/files/1/0428/6709/7756/files/wejifogodab.pdf
- https://cdn.shopify.com/s/files/1/0431/8212/9320/files/66622320333.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52945462890.pdf
- https://cdn.shopify.com/s/files/1/0429/5216/3482/files/66451933413.pdf
- https://cdn.shopify.com/s/files/1/0433/2145/8853/files/11207135101.pdf
- https://cdn.shopify.com/s/files/1/0430/5689/0013/files/27537441421.pdf
- https://cdn.shopify.com/s/files/1/0431/0256/8599/files/jisosidiket.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_off00005b3d.bin1ccd5a7a84e05349c38de4510ef02bb168f2dd81ac36aad86a3e3d0163cbdb81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B3D | 5524 bytes |
font_01_sfnt_off00006d6c.binde9dd8e5ea332ed5209ea334830dd60c86e918b12ebce66bd19afc5a60478dc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D6C | 11496 bytes |
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