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, ttraff.com, disguised as a training manual. The ML classifier strongly indicated maliciousness. The document body also contains a large number of embedded URLs pointing to various PDF files, likely part of a link farm to improve search engine ranking for malicious content.
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.com/wb?keyword=basic%20life%20support%20training%20manual
- http://files.mrslorenzscience.com/uploads/1/3/1/1/131164431/wosiwab.pdf
- http://files.phoenixhypnobirthing.com/uploads/1/3/1/3/131379060/jijawori.pdf
- http://files.crownbid.net/uploads/1/3/1/4/131453946/rixubifo.pdf
- http://files.ikigaiartifactsstore.com/uploads/1/3/0/7/130739379/xekave-wigofefenidelo.pdf
- https://cdn.shopify.com/s/files/1/0439/8628/8798/files/2003_jeep_grand_cherokee_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/3431/1845/files/47705874757.pdf
- https://cdn.shopify.com/s/files/1/0431/3382/9271/files/36671698759.pdf
- https://cdn.shopify.com/s/files/1/0431/3153/5524/files/pradhan_mantri_awas_yojana_surat_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/5936/3478/files/calculus_late_transcendentals_10th_edition.pdf
- https://cdn.shopify.com/s/files/1/0437/2470/1845/files/calculus_textbook_online.pdf
- https://cdn.shopify.com/s/files/1/0430/8670/8890/files/35931242672.pdf
- https://cdn.shopify.com/s/files/1/0431/2052/5469/files/34595848261.pdf
- https://cdn.shopify.com/s/files/1/0436/2030/3006/files/71438069058.pdf
- https://cdn.shopify.com/s/files/1/0432/6309/9040/files/30605537655.pdf
- https://cdn.shopify.com/s/files/1/0436/0850/6531/files/eras_protocolo.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_off0000422f.bined77457f9731f2a9e3572b90a825f9e540b5cc4e95a970744de2278527db5dab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x422F | 5384 bytes |
font_01_sfnt_off00005472.bin055f94598806ca0651aa66a760c3175b5ceb00d69a4695344db13e6441cfe650 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5472 | 9564 bytes |
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