MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. The primary URL, https://ttraff.ru/wb?keyword=sulfonamidas%20trimetoprim%20y%20quinolonas%20pdf, is identified as a malicious redirector. This suggests the document's purpose is to direct users to malicious websites, potentially for phishing or malware distribution, leveraging SEO techniques to appear legitimate.
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.ru/wb?keyword=sulfonamidas%20trimetoprim%20y%20quinolonas%20pdf
- http://files.nailsbyanitakillarney.com/uploads/1/3/0/8/130814342/xebenom-penesoxe.pdf
- http://files.thinkanomalous.com/uploads/1/3/2/7/132710787/nejugo_fetaxen_vijixer_nujogutoninuj.pdf
- http://files.laucandrique-en.com/uploads/1/3/1/6/131606619/9202608.pdf
- http://files.southlandfamilyclub.com/uploads/1/3/1/3/131379371/e862cb.pdf
- http://files.ejacts.com/uploads/1/3/1/3/131384018/givebivusunilujogoj.pdf
- http://files.teach4more.com/uploads/1/3/1/6/131637919/1720115.pdf
- http://files.dustyroadhorses.com/uploads/1/3/1/4/131453725/kafovovolapufusix.pdf
- http://files.mbilder.com/uploads/1/3/1/4/131406816/1092288.pdf
- http://files.bespokeoff-road.com/uploads/1/3/0/8/130814785/jugojaze_lojiji_femis_tolem.pdf
- https://kemalorudor.files.wordpress.com/2020/06/wevokokejuwuvezi.pdf
- https://vesizup.files.wordpress.com/2020/07/1275632124.pdf
- https://jafujanile.files.wordpress.com/2020/06/natefupoxumarivib.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefopevepal.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/11067845032.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupenase.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_off0000730d.binc257645d891ab5051d7ef1fbb79dbb014cd0ada1d3e6ac5bc375eb0343d5c046 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x730D | 5400 bytes |
font_01_sfnt_off0000854b.binee39b7947dcee33606f1a86cc635c3421f5f786f2cd66f0bb31979920e6a713c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x854B | 11248 bytes |
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