MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many links pointing to Shopify domains and one critical link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=ruptura+de+aneurisma+aortico+pdf', suggesting a lure related to a medical topic to attract clicks. The ML classifier strongly flagged this PDF as malicious.
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=ruptura+de+aneurisma+aortico+pdf
- http://files.worldbaseballproject.com/uploads/1/3/1/4/131483361/povonagotixu.pdf
- http://xisula.greyrockfarmcsa.com/uploads/1/3/1/6/131607063/5612315.pdf
- http://files.lifeplots2.com/uploads/1/3/2/6/132695213/25d2d172db.pdf
- https://cdn.shopify.com/s/files/1/0433/6808/7711/files/lesex.pdf
- https://cdn.shopify.com/s/files/1/0428/6342/7751/files/noes_bsicas_de_administrao_pblica_para_concurso.pdf
- https://cdn.shopify.com/s/files/1/0427/6181/4172/files/wunemolopane.pdf
- https://cdn.shopify.com/s/files/1/0435/3549/9418/files/80993225028.pdf
- https://cdn.shopify.com/s/files/1/0434/7337/1288/files/western_union_online_transfer.pdf
- https://cdn.shopify.com/s/files/1/0432/8266/1526/files/19604896005.pdf
- https://cdn.shopify.com/s/files/1/0431/6548/3168/files/33553280517.pdf
- https://cdn.shopify.com/s/files/1/0433/3414/0056/files/63005493349.pdf
- https://cdn.shopify.com/s/files/1/0430/4021/1105/files/xusuzolugijupadudose.pdf
- https://cdn.shopify.com/s/files/1/0436/4101/2382/files/92614762575.pdf
- https://cdn.shopify.com/s/files/1/0449/0087/6455/files/upper_back_stretching_exercises.pdf
- https://cdn.shopify.com/s/files/1/0437/9289/2053/files/94980787239.pdf
- https://cdn.shopify.com/s/files/1/0436/0034/7299/files/fixufepodusujafuwefo.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_off00006c54.bin0dc1c845b7b0a67299f0e3930350900d927fec5524a1ced2e4da02815319d8d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C54 | 5276 bytes |
font_01_sfnt_off00007e36.bin1a2467f2143e46ded2b13c1d41d968fd4ff4487d729b7adc104eb1960e2b2bd4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E36 | 10316 bytes |
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