MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, many of which point to other PDF files hosted on various domains. This behavior is indicative of a link farm designed to attract search engine traffic and potentially lure users into downloading malicious content. The document body text, while partially corrupted, includes phrases like 'pdf free download software for windows xp', reinforcing the lure. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://prayassociates.gift/uploads/1/3/1/8/131871721/131871721.html#pdf+free+download+software+for+windows+xp PDF link annotation
- http://weeblyreview.com/uploads/1/3/1/6/131636969/xigaj.pdfIn PDF document text
- http://101ic.com/uploads/1/3/0/5/130551186/kodoritetafebojulu.pdfIn PDF document text
- http://perfectlightfilmfestival.com/uploads/1/3/0/3/130379118/61f9f65c.pdfIn PDF document text
- http://mta-sts.davidmichaeldesign.com/uploads/1/3/1/3/131379874/7112120.pdfIn PDF document text
- http://thisoklahome.com/uploads/1/3/0/4/130491599/495807.pdfIn PDF document text
- http://boxfivepodcast.com/uploads/1/3/0/4/130435738/bd87c18d.pdfIn PDF document text
- http://besthandymanbrooklyn.com/uploads/1/3/0/9/130969199/6479332.pdfIn PDF document text
- http://teaching-philosophy-be-amazing.com/uploads/1/3/0/2/130289226/talatusovavime_mavegit_jilija_rixokubanubev.pdfIn PDF document text
- http://hostmaster.digitalmultimeter.ch/uploads/1/3/0/9/130969158/kibezikawizafusixu.pdfIn PDF document text
- http://mta-sts.mail.nicamap.com/uploads/1/3/0/7/130776370/woxetojogupoga.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005809.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5809 | 10088 bytes |
SHA-256: bff899e10f9263a51e3b0b83fa02c4585571c89a11228895e04db86a19f260d3 |
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font_01_sfnt_off00007ae0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AE0 | 16204 bytes |
SHA-256: c988415812f594187b0a0ed75dc52802e798e1695b49bd300f8412a65040a449 |
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