MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains the URL 'https://ttraff.com/wb?keyword=primopdf%20free%20download%20for%20windows%2010', suggesting a lure to download potentially unwanted or malicious software. The presence of a large number of external PDF links further indicates a link farm strategy, common in SEO poisoning attacks.
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/wb?keyword=primopdf%20free%20download%20for%20windows%2010
- http://files.suncoastsoul.com/uploads/1/3/1/3/131379612/baretanemomimu.pdf
- http://ketusifi.darwinguevarra.com/uploads/1/3/2/6/132681352/pilenuwikebu_jorup_najitag_tenomux.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefiwi.pdf
- https://cdn.shopify.com/s/files/1/0438/4954/7938/files/cambridge_english_skills_real_listening_and_speaking.pdf
- https://cdn.shopify.com/s/files/1/0431/7986/8309/files/simple_algebra_worksheets_year_7.pdf
- https://cdn.shopify.com/s/files/1/0436/4229/0336/files/java_printf_format.pdf
- https://cdn.shopify.com/s/files/1/0438/1645/2258/files/21614280997.pdf
- https://cdn.shopify.com/s/files/1/0446/1314/0643/files/apache_tomcat_tutorial_linux.pdf
- https://cdn.shopify.com/s/files/1/0430/9745/6801/files/65999555723.pdf
- https://cdn.shopify.com/s/files/1/0432/9209/8716/files/nordic_track_a_2550.pdf
- https://cdn.shopify.com/s/files/1/0440/8272/5029/files/agriculture_upsc_notes.pdf
- https://cdn.shopify.com/s/files/1/0427/8507/9452/files/35065862468.pdf
- https://cdn.shopify.com/s/files/1/0428/9150/9919/files/blackrock_aladdin.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005bc3.binc2fdb79f45bf399cd75574997fb4a89b0ca18afa369c8a2589b018a71fe60ca7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BC3 | 5472 bytes |
font_01_sfnt_off00006e5b.bin7cf436c929efa5ece28c2b4866d109d56b0b381cdb7b7e6589015b9c2006105c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E5B | 9956 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.