MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to a 'law of conservation of mass problems worksheet', suggesting a lure to disguise the malicious intent. The presence of a PDF redirector link and a link farm indicates an attempt to drive traffic to malicious sites, likely for phishing or malware delivery.
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=law+of+conservation+of+mass+problems+worksheet
- http://files.uhuconservancy.com/uploads/1/3/2/6/132681343/woxugodomotow.pdf
- http://files.wvncrails.org/uploads/1/3/1/8/131856446/d79c03f67293c88.pdf
- https://cdn.shopify.com/s/files/1/0434/5433/3093/files/fobubugafikore.pdf
- https://cdn.shopify.com/s/files/1/0433/1739/5614/files/53460105401.pdf
- https://cdn.shopify.com/s/files/1/0434/3309/9430/files/velineneworego.pdf
- https://cdn.shopify.com/s/files/1/0433/3774/4534/files/dijulerinusolal.pdf
- https://cdn.shopify.com/s/files/1/0432/2449/8333/files/48312798769.pdf
- https://cdn.shopify.com/s/files/1/0430/8451/3444/files/xurevuxupabima.pdf
- https://cdn.shopify.com/s/files/1/0440/3278/6597/files/vozuvif.pdf
- https://cdn.shopify.com/s/files/1/0438/6557/1493/files/pl_sql_experienced_interview_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0438/2264/5408/files/ophthalmic_lenses_and_dispensing_download.pdf
- https://cdn.shopify.com/s/files/1/0440/8606/7352/files/74326796446.pdf
- https://cdn.shopify.com/s/files/1/0432/9956/9829/files/blockchain_by_example_download.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_off0000466f.bin4ede06383de4482b6090c10e3d793d0f1aa70a2b0ba9b8df8915794359444167 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x466F | 5552 bytes |
font_01_sfnt_off0000593f.bin1414ec9bf600b08ec2130c80c28b21ae724bd7c95d7f754d75146a3fd393b0e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x593F | 9648 bytes |
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