MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, appears to reference a German language course, a common lure. The presence of multiple Shopify-hosted PDF links suggests a link farm or SEO poisoning tactic to increase visibility and traffic to malicious sites. The ML classifier strongly indicates malicious intent.
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/pify?keyword=cours+allemand+b1+pdf+gratuit
- http://files.ashleighnicoleevents.com/uploads/1/3/0/9/130969440/tifedeniwe-lijemawipafi-dumadutugubiw.pdf
- http://files.patrickinpanama.co.uk/uploads/1/3/0/7/130740255/migiwores-fadosaxivine-vuwafemawepexis.pdf
- http://files.seattleimprov.com/uploads/1/3/1/1/131164251/dulewilebunexok_gurugubemeninaf.pdf
- http://files.brandieinla.com/uploads/1/3/2/3/132303226/d11ec13ab.pdf
- http://files.leisuretravelplus.com/uploads/1/3/1/3/131384432/5756364.pdf
- https://cdn.shopify.com/s/files/1/0434/6321/3209/files/94366377065.pdf
- https://cdn.shopify.com/s/files/1/0431/7003/7911/files/84151991512.pdf
- https://cdn.shopify.com/s/files/1/0436/9724/2280/files/bumew.pdf
- https://cdn.shopify.com/s/files/1/0429/1543/0559/files/28778547938.pdf
- https://cdn.shopify.com/s/files/1/0432/7532/1499/files/61023212995.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nuruge.pdf
- https://cdn.shopify.com/s/files/1/0430/2058/3065/files/tuliwalabejusezaj.pdf
- https://cdn.shopify.com/s/files/1/0431/7832/8221/files/68707918830.pdf
- https://cdn.shopify.com/s/files/1/0432/1237/4174/files/83927908117.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_off00006e95.bine131210ce4f4874abbfba6390cc400312a282829efadbc6447950d9756aec702 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E95 | 5460 bytes |
font_01_sfnt_off00008114.bin1aa5b24010bfa3e10cd6611c3b5397622df65e3cbb74608ddf9031a2a7fe264b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8114 | 11976 bytes |
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