MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm pointing to numerous PDF files, with one URL leading to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Cardio exercises at home pdf' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of multiple embedded URLs and the PDF_SEO_LINK_FARM heuristic indicate a coordinated effort to distribute 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.ru/pify?keyword=cardio+exercises+at+home+pdf
- http://negirixad.cencalproperty.com/uploads/1/3/1/3/131382274/sipanesifonimo_xutojet.pdf
- http://files.cameronbertrandvip.org/uploads/1/3/0/8/130873728/5357599.pdf
- http://files.rcm-asheboro.com/uploads/1/3/2/6/132681954/jigetet_mexeromuzon_sufevetupitoke_tulasutuwe.pdf
- https://cdn.shopify.com/s/files/1/0433/7152/8344/files/84296462160.pdf
- https://cdn.shopify.com/s/files/1/0435/7364/1379/files/33729143036.pdf
- https://cdn.shopify.com/s/files/1/0434/0154/3831/files/78585669682.pdf
- https://cdn.shopify.com/s/files/1/0433/9620/2652/files/94996226931.pdf
- https://cdn.shopify.com/s/files/1/0428/8872/4639/files/perirofitobokuratib.pdf
- https://cdn.shopify.com/s/files/1/0433/9014/0581/files/lugilatixuxopekadid.pdf
- https://cdn.shopify.com/s/files/1/0438/9902/7611/files/putajikizunadufedes.pdf
- https://cdn.shopify.com/s/files/1/0428/5127/0815/files/69143082148.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90262961418.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_off000061fe.binc19d89a4b4601970b239dd4138e8a1f64bef7f3009615ca34d24a17fb40bdbb0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61FE | 5336 bytes |
font_01_sfnt_off000073fb.bin59635ab43ab66c6b4ac27658977dd097a55cf07fb671394b2ccfbb0bd0a74b11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73FB | 9988 bytes |
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