MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector infrastructure. The primary malicious URL identified is https://ttraff.ru/pify?keyword=gastroenteritis+pada+anak+adalah+pdf, which is flagged as a malicious redirector. The document body, though obfuscated, also contains this URL, suggesting an attempt to lure users to malicious content under the guise of a medical PDF. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=gastroenteritis+pada+anak+adalah+pdf In PDF document text
- http://files.rivrvuefarmnranch.com/uploads/1/3/1/4/131407705/572b8d994499cf1.pdfIn PDF document text
- http://files.carpetcleaningrestorationmarketing.com/uploads/1/3/0/7/130775659/fegaxejejokixagim.pdfIn PDF document text
- http://files.thesightsoundgroup.com/uploads/1/3/1/8/131856937/96c7f67411326.pdfIn PDF document text
- http://vexaridef.breathlifeministries.com/uploads/1/3/2/6/132681488/nogoxuxunoli-nitedifagez-rogogofedejuf.pdfIn PDF document text
- http://files.katiemachain.com/uploads/1/3/1/4/131455283/57a787ca629.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0436/3301/6982/files/vujataruduzotupud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8425/1285/files/jajixulebizufonotu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6340/1877/files/anatomy_and_physiology_coloring_workbook_chapter_5.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5597/2506/files/bach_fugue_guitar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4930/2693/files/mifitumuwodasutizuwanov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3060/9063/files/pdf_quant_job_interview_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1311/9905/files/46166698651.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3061/8011/files/tatowuwefijikesiwaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/3220/4696/files/90780706183.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8108/0738/files/fakemiwu.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006310.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6310 | 5012 bytes |
SHA-256: 615d2377cecad490c3974ea4e34cf29b3b2c91df726d8b4743c7291421b0996d |
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font_01_sfnt_off00007410.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7410 | 9780 bytes |
SHA-256: 7031c94286909cf2f2b01c062029a970b4c6c221d361670f441c088eb52ae2ba |
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font_02_sfnt_off00009576.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9576 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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