MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, includes the same suspicious URL. The presence of a large number of external links, many pointing to PDF files, suggests a link farm or SEO manipulation tactic to obscure malicious intent. The ML classifier also strongly indicated maliciousness.
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=examen+de+lectoescritura+para+primer
- http://mijosaki.stirlingcastleclub.org/uploads/1/3/1/4/131407797/8b9ea8.pdf
- http://files.lmeclectique.com/uploads/1/3/1/0/131071145/6605096.pdf
- http://kadodevi.adelantechc.org/uploads/1/3/2/6/132682878/siwiruba-lebuduj-bunibuzowiwo-vofuxa.pdf
- http://bowuxiv.comforthomeinspections.net/uploads/1/3/1/4/131405927/58577.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/9067/3813/files/3610476841.pdf
- https://cdn.shopify.com/s/files/1/0431/3359/9893/files/bopuronivudokekuwukin.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/5561128363.pdf
- https://cdn.shopify.com/s/files/1/0440/5752/6437/files/wufume.pdf
- https://cdn.shopify.com/s/files/1/0434/7104/4770/files/80451916249.pdf
- https://cdn.shopify.com/s/files/1/0432/6424/5925/files/zafizitusukep.pdf
- https://cdn.shopify.com/s/files/1/0440/7679/4021/files/jirowejekotaluvuru.pdf
- https://cdn.shopify.com/s/files/1/0465/1204/6230/files/elementary_statistics_2._1_answers.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69892687871.pdf
- https://cdn.shopify.com/s/files/1/0440/2610/1925/files/biomaterials_for_clinical_applications.pdf
- https://cdn.shopify.com/s/files/1/0438/3732/5462/files/24133118167.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_off00006c40.bin4b62b34efebcc1d419ba53130e0663ca8763cf79c313249b8ada14e795d26ded |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C40 | 5244 bytes |
font_01_sfnt_off00007e01.bin28478b6d1d94d69f7a04b3f40e53e9b91a6959abf938180b9dcdc39c7797fada |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E01 | 10820 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.