MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a malicious redirector URL, indicating a phishing or malware distribution attempt. The document body, though obfuscated, contains text related to a 'synonyms and antonyms worksheet for grade 3 pdf' and the malicious URL, suggesting a lure to trick users into clicking. 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/pify?keyword=synonyms+and+antonyms+worksheet+for+grade+3+pdf
- http://files.emmauswellbeingmatters.com/uploads/1/3/2/6/132681971/xorefu.pdf
- http://files.hfavisualart.com/uploads/1/3/1/0/131071312/72e4c8082de1.pdf
- http://files.theshankers.com/uploads/1/3/1/4/131437848/puburigufub.pdf
- https://cdn.shopify.com/s/files/1/0434/5013/8784/files/16452401409.pdf
- https://cdn.shopify.com/s/files/1/0430/9801/3845/files/99637386548.pdf
- https://cdn.shopify.com/s/files/1/0434/6436/0100/files/minecraft_team_extreme_launcher.pdf
- https://cdn.shopify.com/s/files/1/0430/9588/3925/files/sutuxidalope.pdf
- https://cdn.shopify.com/s/files/1/0437/8476/5602/files/bujapozupajevusijexunosen.pdf
- https://cdn.shopify.com/s/files/1/0429/7896/7703/files/59304721172.pdf
- https://cdn.shopify.com/s/files/1/0429/7857/4490/files/jesabuxadiliwud.pdf
- https://cdn.shopify.com/s/files/1/0432/1892/7776/files/49895024471.pdf
- https://cdn.shopify.com/s/files/1/0429/5370/3577/files/adjectives_grade_2.pdf
- https://cdn.shopify.com/s/files/1/0432/4353/6541/files/twitter_consumer_key.pdf
- https://cdn.shopify.com/s/files/1/0430/8107/2789/files/achilles_tendon_rehabilitation.pdf
- https://cdn.shopify.com/s/files/1/0438/0000/2717/files/example_of_application_letter_for_job_vacancy.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_off000061a0.binc0b136a52daa24d0ccffc618b933adb955e9869754e6cac6772a2e5a737f8d13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61A0 | 5948 bytes |
font_01_sfnt_off000075cc.bin19bba2f96cc60f356a622274cfb35e69ed4a02d9824ef6184edd827275e10362 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75CC | 10540 bytes |
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