MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a prominent link disguised as a download for Adobe Acrobat Reader, which is a common social engineering lure. This link redirects to a malicious infrastructure identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, also contains the same lure text and the malicious URL, reinforcing the phishing attempt. The ML classifier 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.cc/pify?keyword=free+download+adobe+acrobat+pdf+reader+for+windows+7
- http://files.elishevaawendstern.net/uploads/1/3/1/4/131406537/e706630f.pdf
- http://files.patrickcoopermusic.com/uploads/1/3/1/4/131406885/1f21e73ead94.pdf
- http://files.mattfilmsltd.ca/uploads/1/3/1/3/131380175/tezakafu.pdf
- http://files.petphotobooth.org/uploads/1/3/0/7/130776682/kidikuropage.pdf
- http://files.lmtechnologiesne.com/uploads/1/3/2/7/132740445/1651718.pdf
- https://cdn.shopify.com/s/files/1/0433/0212/5733/files/38738410243.pdf
- https://cdn.shopify.com/s/files/1/0434/4889/3606/files/96269408679.pdf
- https://cdn.shopify.com/s/files/1/0429/2201/6934/files/xatasaliwitipi.pdf
- https://cdn.shopify.com/s/files/1/0432/2826/6654/files/bmw_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/3551/7337/files/80552947644.pdf
- https://cdn.shopify.com/s/files/1/0433/6153/4111/files/kizifakoruju.pdf
- https://cdn.shopify.com/s/files/1/0431/3032/3101/files/how_to_get_advantage_5e.pdf
- https://cdn.shopify.com/s/files/1/0437/7152/7325/files/55402020860.pdf
- https://cdn.shopify.com/s/files/1/0432/3622/9278/files/53507231833.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/telisupuf.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_off00006aa3.bin05d04ab2aaeb65978905885d7e42f80831243111df2a7701bc481059c3fce242 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AA3 | 5416 bytes |
font_01_sfnt_off00007d33.bin0c80acc9345089282a651ae80ab9c6e968a4cb68715eaa53f6184a9efb2fd454 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D33 | 9872 bytes |
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