MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service. The document body, though partially corrupted, suggests a lure related to "ctet ans key pdf". The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further malicious content.
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.ru/pify?keyword=ctet+ans+key+pdf
- http://files.leisureworldtours.net/uploads/1/3/1/6/131637211/6206d2d64.pdf
- http://files.hartfordcathedral.org/uploads/1/3/1/6/131606208/lipububazaj-kilubatomifufok.pdf
- http://files.dogtownpestcontrol.com/uploads/1/3/0/8/130814411/widagewenomugewokeb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5018/0514/files/49299751212.pdf
- https://cdn.shopify.com/s/files/1/0434/7330/5762/files/91263397222.pdf
- https://cdn.shopify.com/s/files/1/0434/4558/4033/files/us_date_format.pdf
- https://cdn.shopify.com/s/files/1/0434/7507/5225/files/luzupevirobupesi.pdf
- https://cdn.shopify.com/s/files/1/0436/2305/5523/files/free_pontiac_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/3624/5142/files/29055892035.pdf
- https://cdn.shopify.com/s/files/1/0429/2391/7478/files/xubula.pdf
- https://cdn.shopify.com/s/files/1/0430/5325/2757/files/bemibogopokemawarapul.pdf
- https://cdn.shopify.com/s/files/1/0437/1313/4757/files/19043938040.pdf
- https://cdn.shopify.com/s/files/1/0433/6074/7688/files/73050301569.pdf
- https://cdn.shopify.com/s/files/1/0432/3917/8399/files/60389093636.pdf
- https://cdn.shopify.com/s/files/1/0433/6576/1176/files/1527616406.pdf
- https://cdn.shopify.com/s/files/1/0428/6277/2380/files/61406899127.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_off00006681.binfcc84c8198428c13d97132e6843be31061f624ae789f3dd6448be51dad89cb9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6681 | 4980 bytes |
font_01_sfnt_off00007794.bin44ae288e6898996bd83d3f02445f831481c71107730c8fc8760bd76ba882a843 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7794 | 12080 bytes |
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