MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, including a critical link to a known malicious redirector at 'https://ttraff.com/pify?keyword=a+an+the+no+articles+exercises+pdf'. This suggests the document's primary purpose is to redirect users to malicious infrastructure. The ML classifier also 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.com/pify?keyword=a+an+the+no+articles+exercises+pdf
- http://files.msgreenoughsvirtualguidanceoffice.ca/uploads/1/3/0/7/130738619/6724997.pdf
- http://jifudamu.abwmohio.org/uploads/1/3/2/6/132681647/netazisifawedi_jesutojizodage.pdf
- http://files.hwhusky.com/uploads/1/3/0/9/130969160/4fc79.pdf
- https://cdn.shopify.com/s/files/1/0438/8339/7272/files/50973342927.pdf
- https://cdn.shopify.com/s/files/1/0431/7665/7051/files/email_writing_activities.pdf
- https://cdn.shopify.com/s/files/1/0438/2644/6498/files/rorawulajokulidejugap.pdf
- https://cdn.shopify.com/s/files/1/0434/5685/6230/files/sixesitodisewujola.pdf
- https://cdn.shopify.com/s/files/1/0427/6020/8540/files/kejidejugiwudojom.pdf
- https://cdn.shopify.com/s/files/1/0430/5911/8229/files/tesaxotup.pdf
- https://cdn.shopify.com/s/files/1/0428/1031/0822/files/93329895626.pdf
- https://cdn.shopify.com/s/files/1/0431/1633/1172/files/3032776523.pdf
- https://cdn.shopify.com/s/files/1/0431/8239/1451/files/ragijipulute.pdf
- https://cdn.shopify.com/s/files/1/0429/5196/6873/files/16394626427.pdf
- https://cdn.shopify.com/s/files/1/0434/0652/4566/files/40154264617.pdf
- https://cdn.shopify.com/s/files/1/0431/2258/9853/files/60573610376.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_off000060d2.bin516e1275ad821bbb91b5b474cfa59ed73122b6482b79d1f35a313123929dad8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60D2 | 5300 bytes |
font_01_sfnt_off000072cf.bin6c0b958fa9fedf61f7d951dfbf95d8665102699d69c9f7e7779869021f0880ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72CF | 9960 bytes |
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