MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to other PDF files, suggesting a link farm or redirection mechanism. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a 'password safe android review'. The ML classifier strongly indicates maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of a mass external link farm. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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 http://www.sbsarchitects.co/uploads/1/3/0/7/130775271/130775271.html#password+safe+android+review PDF link annotation
- http://mrsottocounselingcorner.com/uploads/1/3/0/6/130620407/wepalijoxukawaki.pdfIn PDF document text
- http://mercigifts.ca/uploads/1/3/0/5/130588261/f7f568.pdfIn PDF document text
- http://mercedes.fit/uploads/1/3/0/6/130621483/lepojudodezimux_matifujuna_rixiboka_nujalinabetiri.pdfIn PDF document text
- http://comedysanantonio.com/uploads/1/3/0/2/130271111/3832080.pdfIn PDF document text
- http://internationalparksideproductsinc.com/uploads/1/3/0/6/130604230/nixivupumupuv_rezalofa_bujefev_pakagivurapo.pdfIn PDF document text
- http://teammonstersinthemaking.com/uploads/1/3/0/6/130639284/7758836.pdfIn PDF document text
- http://msmohp.org/uploads/1/3/0/6/130604879/kerogek.pdfIn PDF document text
- http://sheffieldtestpilot.com/uploads/1/3/0/6/130621892/f95c0f9.pdfIn PDF document text
- http://agentoftaste.com/uploads/1/3/0/7/130739223/d128cd1.pdfIn PDF document text
- http://www.shopthekey.com/uploads/1/3/0/5/130539886/zazeno_duveduligopok.pdfIn PDF document text
- http://cancunstanduppaddle.com/uploads/1/3/0/6/130604307/tiletexefuj.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000083e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83E9 | 7476 bytes |
SHA-256: a2798fb4b451a6611228b8663e3a6cccde898ed16f2f0093c60aa0f7c422f1ff |
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