MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm designed to appear as free downloads, but redirects to a malicious URL (https://ttraff.com/pify?keyword=aula+internacional+1+pdf+free+download). This indicates a social engineering tactic to lure users to malicious infrastructure. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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.com/pify?keyword=aula+internacional+1+pdf+free+download
- http://files.melodydye.com/uploads/1/3/0/8/130814083/jejuges-wujuvuvewo-wawasajakojeki.pdf
- http://kibafi.sfcentralsda.org/uploads/1/3/1/3/131383483/2250fc7cd079.pdf
- http://xunefa.cantorcarl.com/uploads/1/3/1/6/131606552/6275939.pdf
- https://cdn.shopify.com/s/files/1/0432/1656/8482/files/9010642768.pdf
- https://cdn.shopify.com/s/files/1/0437/4783/6065/files/hoffman_hematology_free_download.pdf
- https://cdn.shopify.com/s/files/1/0431/2721/0144/files/5077766374.pdf
- https://cdn.shopify.com/s/files/1/0432/5136/8104/files/vevororila.pdf
- https://cdn.shopify.com/s/files/1/0436/0437/7763/files/lidubefaxakajujexixotugal.pdf
- https://cdn.shopify.com/s/files/1/0430/9227/9445/files/cognitive_development_in_late_adulthood.pdf
- https://cdn.shopify.com/s/files/1/0429/1903/5033/files/61435583446.pdf
- https://cdn.shopify.com/s/files/1/0437/0772/8023/files/98749846392.pdf
- https://cdn.shopify.com/s/files/1/0430/3667/2162/files/81314210387.pdf
- https://cdn.shopify.com/s/files/1/0430/7173/3917/files/ubuntu_16._04_startup_script.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/xulakobutakulaxotagira.pdf
- https://cdn.shopify.com/s/files/1/0437/8863/2213/files/mathematical_biology_2.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000043fa.bin0627b771da9c2f82e7751279b15d0fde474073f510edcf16d1a15a354922ae6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x43FA | 4976 bytes |
font_01_sfnt_off00005536.binf66ca778759d47de187d56bb5bebacecde5c7c82a3b2d459b8ffe42b47c5373a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5536 | 5104 bytes |
font_02_sfnt_off000066bf.bin5983a68d4fc48f051d356f4bd7a8f5677eefaca6f93082f185e4783fa2b28b37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66BF | 9516 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.