MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though garbled, contains a URL that is also present in the heuristics and IOCs, suggesting a lure to download a PDF. The ML classifier also strongly flagged this PDF as malicious. The primary malicious IOC is the redirector URL.
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=reliability+centered+maintenance+john+moubray+2nd+edition+pdf
- http://files.x-raymusic.net/uploads/1/3/2/7/132710779/9899540.pdf
- http://files.orientalvenus.com/uploads/1/3/0/7/130739210/7385294.pdf
- http://files.enchantweddingmusic.com/uploads/1/3/0/8/130813731/b3434f71d195.pdf
- http://files.metalbosco.com.ec/uploads/1/3/1/3/131398019/wowumanawesa-julejovadalib-wozak.pdf
- http://files.superiorhomesinc.com/uploads/1/3/0/9/130969695/7773353.pdf
- https://cdn.shopify.com/s/files/1/0432/0431/3247/files/98571764011.pdf
- https://cdn.shopify.com/s/files/1/0431/5699/6260/files/82051139766.pdf
- https://cdn.shopify.com/s/files/1/0431/2009/9488/files/poxagitezuli.pdf
- https://cdn.shopify.com/s/files/1/0432/5759/4016/files/66589843539.pdf
- https://cdn.shopify.com/s/files/1/0439/2153/9240/files/muriatic_acid_msds.pdf
- https://cdn.shopify.com/s/files/1/0430/2556/3799/files/25699404657.pdf
- https://cdn.shopify.com/s/files/1/0429/2942/2499/files/gipugavarekedazi.pdf
- https://cdn.shopify.com/s/files/1/0427/6633/6167/files/63357779976.pdf
- https://cdn.shopify.com/s/files/1/0437/8345/4882/files/baviwifevajanugu.pdf
- https://cdn.shopify.com/s/files/1/0429/5249/1159/files/73483017703.pdf
- https://cdn.shopify.com/s/files/1/0431/0496/0676/files/pofupufezagazep.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_off00005e35.bin6bc6652d7d3f426c7d6ad2780c1e3e2bbb953b888ba55558a5f3e44cc0a95c58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E35 | 5672 bytes |
font_01_sfnt_off00007161.bin0544c45f45936f5a76434947c6d9817c1c8d860503d36361888fc52cf0d45d78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7161 | 10096 bytes |
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