MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large link farm. The document body, though heavily obfuscated, contains URLs that are consistent with a link farm designed to distribute malicious content or phish users. The primary malicious URL identified is https://ttraff.ru/pify?keyword=calidad+ambiental+concepto+pdf, which is likely part of a campaign to drive traffic to malicious sites.
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/pify?keyword=calidad+ambiental+concepto+pdf
- http://files.sleepingbeeathome.com/uploads/1/3/2/6/132695701/4744904.pdf
- http://tonode.bonnieblueflag2124.org/uploads/1/3/1/4/131453541/67c258d2b9908.pdf
- http://lajon.direwolfomega.net/uploads/1/3/0/8/130814124/wexezetibovi-vumuberominef-gupediroz.pdf
- https://cdn.shopify.com/s/files/1/0434/0505/0021/files/divewunidoveva.pdf
- https://cdn.shopify.com/s/files/1/0432/3033/1047/files/xebezogafo.pdf
- https://cdn.shopify.com/s/files/1/0437/6880/7586/files/52846596241.pdf
- https://cdn.shopify.com/s/files/1/0431/2806/2103/files/6014087622.pdf
- https://cdn.shopify.com/s/files/1/0430/2451/5229/files/79192484921.pdf
- https://cdn.shopify.com/s/files/1/0436/9140/9562/files/12558393274.pdf
- https://cdn.shopify.com/s/files/1/0429/1156/3932/files/99399911770.pdf
- https://cdn.shopify.com/s/files/1/0429/2021/4681/files/5090917243.pdf
- https://cdn.shopify.com/s/files/1/0437/7473/8581/files/jupegenemajiwutadegiwiwuz.pdf
- https://cdn.shopify.com/s/files/1/0431/2973/3282/files/xaxasefa.pdf
- https://cdn.shopify.com/s/files/1/0435/5496/3617/files/banigibolorawe.pdf
- https://cdn.shopify.com/s/files/1/0433/1657/6424/files/davukizomedolosofo.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_off00006deb.binff9efe626c27242141a029719b3fd9d7aab79f39bcb6d9a3d6c895742c30a4ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DEB | 5072 bytes |
font_01_sfnt_off00007f17.bin220d3fb9e3950c71b79288534c2b853066c42fefb411542023fb09159fda51b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F17 | 10828 bytes |
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