MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass link farm, with one URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the string 'adverb worksheets for 5th grade' and the malicious URL, suggesting a lure for educational content that redirects to malicious infrastructure. The ML classifier 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.cc/pify?keyword=adverb+worksheets+for+5th+grade
- http://tujev.enikkidrobertson.com/uploads/1/3/0/8/130813528/d08a876e0.pdf
- http://files.boydssports.ca/uploads/1/3/0/7/130738504/naruse_pomones.pdf
- https://cdn.shopify.com/s/files/1/0428/8095/8617/files/cavernomatosis_portal.pdf
- https://cdn.shopify.com/s/files/1/0437/5887/8881/files/program_for_converting_to_word_free_download.pdf
- https://cdn.shopify.com/s/files/1/0431/3258/4098/files/national_account_manager_resume_template.pdf
- https://cdn.shopify.com/s/files/1/0440/2338/2166/files/16516184296.pdf
- https://cdn.shopify.com/s/files/1/0434/9997/8904/files/anfitrion_plauto_descargar.pdf
- https://cdn.shopify.com/s/files/1/0429/0455/1590/files/61013316141.pdf
- https://cdn.shopify.com/s/files/1/0437/5917/3784/files/jevada.pdf
- https://cdn.shopify.com/s/files/1/0429/3240/4380/files/30831100194.pdf
- https://cdn.shopify.com/s/files/1/0433/7877/0076/files/nepuj.pdf
- https://cdn.shopify.com/s/files/1/0431/9926/6979/files/99388684705.pdf
- https://cdn.shopify.com/s/files/1/0431/2127/9138/files/50567883553.pdf
- https://cdn.shopify.com/s/files/1/0440/1646/8133/files/preschool_admission_form.pdf
- https://cdn.shopify.com/s/files/1/0439/0515/5240/files/zezagojokumad.pdf
- https://cdn.shopify.com/s/files/1/0429/7824/6815/files/gewenuwub.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_off00005bfa.bin74df1c35d1e55093bcd0cf91e7c4ca4ceaa89e608df5095355ca69862c2a27ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BFA | 5608 bytes |
font_01_sfnt_off00006f23.binbfde6ac420e8c686731822974afb317b94985c0ab429dc27e9263f504c79f209 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F23 | 10072 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.