MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as legitimate study guides, but the primary link redirects to a known malicious infrastructure. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL that leads to the malicious redirector, suggesting a lure to a phishing or malware distribution site.
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.ru/wb?keyword=sat%20math%20study%20guide%20pdf
- http://files.healthblc.com/uploads/1/3/0/7/130776058/levokitulovenu.pdf
- http://zazomofa.corpuschristievansville.org/uploads/1/3/1/3/131383329/48b9e1fcb3f.pdf
- http://wuradidad.naturesspiritflytying.net/uploads/1/3/0/8/130813848/32ca361.pdf
- https://cdn.shopify.com/s/files/1/0428/9839/1196/files/bootstrap_4_tutorial_franais.pdf
- https://cdn.shopify.com/s/files/1/0427/5086/9671/files/sap_fico_accounts_receivable_interview_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0427/7927/9527/files/pogakamegiv.pdf
- https://cdn.shopify.com/s/files/1/0428/5490/8071/files/the_authoritarian_personality_book.pdf
- https://cdn.shopify.com/s/files/1/0434/4181/5718/files/blackberry_picking_poem.pdf
- https://cdn.shopify.com/s/files/1/0438/3608/0288/files/podigexilab.pdf
- https://cdn.shopify.com/s/files/1/0434/9050/8960/files/zobolomu.pdf
- https://cdn.shopify.com/s/files/1/0432/7541/9798/files/metifazenazomokaximix.pdf
- https://cdn.shopify.com/s/files/1/0440/3894/6981/files/mechanical_engineering_interview_questions_and_answers_download.pdf
- https://cdn.shopify.com/s/files/1/0440/5529/8213/files/ludusoku.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_off00006019.bina17ef16f6477804173182afbeccd366d1fd7169817922bca78670ecf58c56942 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6019 | 7164 bytes |
font_01_sfnt_off000077bb.bin7d3398e0b1d4fa8b74d25ee305acfaaa4042c26bf115d58c4c3829afefc3f781 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77BB | 5532 bytes |
font_02_sfnt_off00008a71.bin7ca3249ac77e90ef73cf58a4eaaa3845de8eeb465150bea9335b6fc0b6603e64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A71 | 9432 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.