MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'cbse class 10 answer sheet format pdf' and the malicious URL, suggesting a lure to disguise the malicious intent. The presence of a link farm further indicates a malicious distribution strategy.
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=cbse+class+10+answer+sheet+format+pdf
- http://files.themslist.com/uploads/1/3/1/8/131871814/nuzikemazumupi.pdf
- http://files.vogelacupuncturecare.com/uploads/1/3/1/8/131858592/diteseparefupagal.pdf
- http://files.bayareaoverhead.com/uploads/1/3/1/6/131606118/d1e7e3.pdf
- http://files.steeplejam.co.uk/uploads/1/3/1/4/131453054/dutiviseli.pdf
- https://cdn.shopify.com/s/files/1/0435/4228/2394/files/questes_administrao_geral_e_pblica.pdf
- https://cdn.shopify.com/s/files/1/0435/2727/4647/files/4975330057.pdf
- https://cdn.shopify.com/s/files/1/0429/5104/9370/files/39622103989.pdf
- https://cdn.shopify.com/s/files/1/0431/7895/0810/files/mebuxuwavi.pdf
- https://cdn.shopify.com/s/files/1/0432/6794/8706/files/lynda_randle_one_day_at_a_time.pdf
- https://cdn.shopify.com/s/files/1/0433/6658/0382/files/30258425439.pdf
- https://cdn.shopify.com/s/files/1/0433/9050/1020/files/vebid.pdf
- https://cdn.shopify.com/s/files/1/0431/4228/3432/files/modawata.pdf
- https://cdn.shopify.com/s/files/1/0435/1148/0472/files/31683429530.pdf
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/nuposuxo.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_off000059f2.bin8b8e241df2be436fa9a9d46e1f15ba1b0bca178dd98c6c63aef4ad6ad1c82648 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59F2 | 5724 bytes |
font_01_sfnt_off00006d54.bine363c29ff47e832158094d5ae3b088abad948b23ca7455ae18090defae36c843 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D54 | 10248 bytes |
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