MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector infrastructure, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body also contains a search query related to PDF editing, likely intended to disguise the malicious intent. The 'PDF_SEO_LINK_FARM' heuristic indicates a mass of external links, many of which are benign but serve to camouflage the malicious redirector. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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.
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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.
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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.
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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=editor%20pdf%20online%20love
- http://files.belaccommunications.com/uploads/1/3/0/8/130873961/f19ee2ad2c7d9f.pdf
- http://files.impeachtrumprun.com/uploads/1/3/1/8/131871849/2fc77964a8.pdf
- http://files.bittermallow.com/uploads/1/3/1/3/131380107/d587b1263.pdf
- https://cdn.shopify.com/s/files/1/0431/5165/5061/files/ain_t_misbehavin_piano_sheet.pdf
- https://cdn.shopify.com/s/files/1/0430/7265/1413/files/research_methods_in_public_administration_and_nonprofit_management.pdf
- https://cdn.shopify.com/s/files/1/0427/9199/3500/files/kapumoke.pdf
- https://cdn.shopify.com/s/files/1/0431/1770/7413/files/lightroom_cc_shortcuts_mac.pdf
- https://cdn.shopify.com/s/files/1/0437/7749/1105/files/rakini.pdf
- https://cdn.shopify.com/s/files/1/0432/2577/6288/files/morgan_anesthesia_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/5172/8546/files/xesubulebomi.pdf
- https://cdn.shopify.com/s/files/1/0435/0866/2440/files/trigonometry_7th_edition_mckeague.pdf
- https://cdn.shopify.com/s/files/1/0435/2029/5064/files/10th_class_maths_book_rbse_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4965/files/5334895254.pdf
- https://cdn.shopify.com/s/files/1/0434/5059/7528/files/cctv_installation_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0431/2632/5409/files/gibavuvarupaxutanufo.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_off00006446.bin4014fe9c56d868eeec0c14f911fb06d3c5418460eec0d4c2a8aeb5e468886a50 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6446 | 4664 bytes |
font_01_sfnt_off0000743e.bin6ed59ec00ac64e35fc40935339d8228efe784669ff0e1a98d01c8b18ab54c964 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x743E | 14076 bytes |
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