MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a prominent link that redirects to a malicious URL, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains the same URL, suggesting a lure for users to click on it. The ML classifier also strongly flagged this PDF as malicious. The presence of a link farm further 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.cc/pify?keyword=public+private+partnership+agreement+pdf
- http://files.balloonboy.ca/uploads/1/3/1/0/131070035/zotoselobagiw-mepurowu.pdf
- https://cdn.shopify.com/s/files/1/0435/1324/9946/files/2016_per_diem_for_truck_drivers.pdf
- https://cdn.shopify.com/s/files/1/0432/3658/9730/files/jidububukowora.pdf
- https://cdn.shopify.com/s/files/1/0433/3476/2654/files/quant_job_interview_questions_and_answers_free_download.pdf
- https://cdn.shopify.com/s/files/1/0436/9635/7530/files/36696285926.pdf
- https://cdn.shopify.com/s/files/1/0433/5593/0783/files/43042792739.pdf
- https://cdn.shopify.com/s/files/1/0440/3917/6342/files/berg_tymoczko_stryer_biochemistry_7th_edition.pdf
- https://cdn.shopify.com/s/files/1/0430/1615/9385/files/92899402056.pdf
- https://cdn.shopify.com/s/files/1/0432/5369/4626/files/78752591918.pdf
- https://cdn.shopify.com/s/files/1/0428/1116/2790/files/53007214161.pdf
- https://cdn.shopify.com/s/files/1/0448/5795/0370/files/veruposi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/japoxotoruzub.pdf
- https://cdn.shopify.com/s/files/1/0434/2064/7576/files/81086885469.pdf
- https://cdn.shopify.com/s/files/1/0430/5331/8306/files/risk_assessment_report_sample.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_off000118e4.bin0e723fe4cc600fddf3cd6fa9f6423cf4c6fbc9e7c0b1090a15bb931b58d2f65c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118E4 | 5768 bytes |
font_01_sfnt_off00012c52.bine5b970d8f75b7bd1e83ac9fbda545fc91a71fcfea2be06df0246afa3bde4e7df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C52 | 10636 bytes |
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