MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link that redirects to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL and text suggesting a lure for a motor manual. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, likely for SEO manipulation or to distribute malicious content. The ML classifier strongly flagged this PDF as malicious.
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=briggs+and+stratton+5hp+motor+manual
- http://kisag.jharidingacademy.com/uploads/1/3/0/9/130969191/xitewaxipikili.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/2429/2762/files/83910983026.pdf
- https://cdn.shopify.com/s/files/1/0429/2821/0073/files/64950456959.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4650/files/jutigati.pdf
- https://cdn.shopify.com/s/files/1/0435/5247/3243/files/android_tv_box_malaysia_forum.pdf
- https://cdn.shopify.com/s/files/1/0434/8618/3576/files/osrs_lost_city_quick_guide.pdf
- https://cdn.shopify.com/s/files/1/0427/9032/2342/files/derawedajuzenuzoragivuloz.pdf
- https://cdn.shopify.com/s/files/1/0440/4235/4853/files/bridge_to_ielts_intermediate.pdf
- https://cdn.shopify.com/s/files/1/0428/0467/4727/files/abakada_book_free_download.pdf
- https://cdn.shopify.com/s/files/1/0434/4017/7314/files/benuwavarudevez.pdf
- https://cdn.shopify.com/s/files/1/0431/8537/3333/files/12577575299.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000064b1.bindff95ea53e676e891523708f5d6f19418f45fabdcc7053eee2f1079fede562c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64B1 | 5548 bytes |
font_01_sfnt_off0000775f.binadba46d409757decaa9eb4e94855b85de15d6d9f3ace9c3b29e5cd3d9a237800 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x775F | 10216 bytes |
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