MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, identified as a 'PDF_SEO_LINK_FARM' heuristic. One of these links, 'https://ttraff.ru/pify?keyword=velocity+diagram+of+centrifugal+pump+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to be a lure related to technical documentation, likely intended to trick users into clicking the malicious links.
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=velocity+diagram+of+centrifugal+pump+pdf
- http://files.rmwle.org/uploads/1/3/1/3/131384568/vugujifasovokotu.pdf
- http://files.rfp.ie/uploads/1/3/2/7/132740501/919938.pdf
- http://files.guardiandental.ca/uploads/1/3/0/9/130969389/fibidune-pifax-laboze-bileruwon.pdf
- http://files.perfecthealthpractice.com/uploads/1/3/0/8/130873718/9d1a7c6.pdf
- http://files.englishwithsam.com/uploads/1/3/1/6/131606502/054e15a69.pdf
- http://files.englishwithsam.com/uploads/1/3/1/6/131606502
- https://cdn.shopify.com/s/files/1/0430/3034/7938/files/fuxibobem.pdf
- https://cdn.shopify.com/s/files/1/0431/0279/7986/files/lofavanijopowijudosad.pdf
- https://cdn.shopify.com/s/files/1/0429/2762/0249/files/43585109211.pdf
- https://cdn.shopify.com/s/files/1/0428/6011/8175/files/74434504188.pdf
- https://cdn.shopify.com/s/files/1/0430/3588/5725/files/55565156471.pdf
- https://cdn.shopify.com/s/files/1/0434/8120/2854/files/53551225586.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84574839703.pdf
- https://cdn.shopify.com/s/files/1/0434/0465/6790/files/medipegevejekanufuxarura.pdf
- https://cdn.shopify.com/s/files/1/0430/6694/9799/files/pamejoxuxumixupode.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69892687871.pdf
- https://cdn.shopify.com/s/files/1/0434/8562/6520/files/7504055038.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_off0000ac5a.bine2872a8af2f598ca475b64c92888c7a00826345465a0b79e87dd691ff2b0772a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC5A | 5244 bytes |
font_01_sfnt_off0000be1e.bineeee687c3b095dc40b95e48c066fab7c05d360ef93478696ddefe6baf4a611e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE1E | 10484 bytes |
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