MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links, with one specifically pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure the user to a malicious site. The ML classifier strongly supports the malicious nature of this PDF.
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=cambridge+checkpoints+hsc+pdf
- http://files.indianheadsheepandgoat.org/uploads/1/3/0/9/130969798/2039405.pdf
- http://files.sonderphotography.net/uploads/1/3/1/8/131856276/norogud-patij-kiwupekisaniju-nibitukedag.pdf
- http://files.pvmsgeography.com/uploads/1/3/1/0/131070152/3486105.pdf
- http://jewoxig.blackberrywhite.com/uploads/1/3/1/4/131410007/359008.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/9654/6216/files/36189011951.pdf
- https://cdn.shopify.com/s/files/1/0428/8787/2671/files/sms_tracker_login.pdf
- https://cdn.shopify.com/s/files/1/0429/3656/5923/files/jezizoteloratutapeg.pdf
- https://cdn.shopify.com/s/files/1/0432/8089/2057/files/45005760149.pdf
- https://cdn.shopify.com/s/files/1/0430/3768/7962/files/mijewafavorak.pdf
- https://cdn.shopify.com/s/files/1/0434/0121/6165/files/46831831716.pdf
- https://cdn.shopify.com/s/files/1/0430/1520/9123/files/katofavelubusudusixot.pdf
- https://cdn.shopify.com/s/files/1/0430/9496/6429/files/43839643096.pdf
- https://cdn.shopify.com/s/files/1/0431/0165/1105/files/viluzaketitejam.pdf
- https://cdn.shopify.com/s/files/1/0431/5581/6599/files/zelimipateruwe.pdf
- https://cdn.shopify.com/s/files/1/0427/3248/6823/files/adobe_viewer_for_mac.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_off000045c7.bin1cdebafd7f19593664c2c5cdf0f57693f887daeea71484d5d82ea64b1e5cba76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45C7 | 5644 bytes |
font_01_sfnt_off000058c6.binab6329c1eb4d531a79d3dc168a3c3f7f2324756d7d28a2b3ea1af65cad9e7c07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58C6 | 9568 bytes |
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