MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link to 'ttraff.ru' disguised as a document about 'chemical effects of electric current'. It also hosts a large number of external PDF links, many pointing to Shopify domains, suggesting a link farm or SEO poisoning attempt. The ML classifier strongly indicated maliciousness.
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=chemical+effects+of+electric+current+class+10+pdf
- http://files.empkiesfarmmarket.com/uploads/1/3/1/1/131164112/3272498.pdf
- http://files.inthebeginningpreschool.org/uploads/1/3/1/3/131380094/bafejutasu.pdf
- http://files.fourseasonsbooks.com/uploads/1/3/0/7/130739169/1679beb.pdf
- https://cdn.shopify.com/s/files/1/0432/4163/5997/files/10079324146.pdf
- https://cdn.shopify.com/s/files/1/0437/4324/8545/files/canasta_familiar_colombia_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/9200/0406/files/nilididiwodufebozedu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pufabupenidobuxix.pdf
- https://cdn.shopify.com/s/files/1/0431/1180/9190/files/64493677347.pdf
- https://cdn.shopify.com/s/files/1/0432/7328/9888/files/tabebasirixanufedekafe.pdf
- https://cdn.shopify.com/s/files/1/0437/4115/1386/files/upper_limb_anatomy_lecture_notes.pdf
- https://cdn.shopify.com/s/files/1/0432/1034/2559/files/80986709661.pdf
- https://cdn.shopify.com/s/files/1/0432/6375/4404/files/vesobon.pdf
- https://cdn.shopify.com/s/files/1/0433/2866/7798/files/the_backup_plan_full_movie.pdf
- https://cdn.shopify.com/s/files/1/0435/4356/0346/files/first_law_of_thermodynamics_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0429/4855/9004/files/mikhail_bakhtin_carnivalesque.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_off00006d49.bin770d5923b2c61360f4e5103090617b925824e7b3eb581f237bc39bf70af10662 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D49 | 5492 bytes |
font_01_sfnt_off00007fc7.bina6a8d630e3bf0d781ffa385a27f6c13fd0d36c69a8748c4312435cb12ea7665f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FC7 | 9976 bytes |
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