MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a 'certificate of service template' lure, and the primary malicious URL is associated with this theme. The presence of a link farm further indicates an attempt to manipulate search engine results or distribute malicious content broadly. No scripts were extracted, but the PDF structure and embedded links strongly suggest a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=certificate+of+service+template+pdf
- http://files.ephratamartialarts.com/uploads/1/3/2/8/132815015/5ed445b8c.pdf
- http://files.whitneyswings.com/uploads/1/3/0/7/130776518/91011696b26.pdf
- http://files.riversideblooms.com/uploads/1/3/1/6/131637014/bf3ce8.pdf
- http://files.rooseveltelementarypto.org/uploads/1/3/0/7/130776131/9757311.pdf
- https://cdn.shopify.com/s/files/1/0436/5287/4390/files/business_communication_english_book.pdf
- https://cdn.shopify.com/s/files/1/0436/2531/6514/files/bafupavuj.pdf
- https://cdn.shopify.com/s/files/1/0428/5094/3142/files/gezeletibizanoburoxipew.pdf
- https://cdn.shopify.com/s/files/1/0431/1220/2389/files/money_pink_floyd_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0450/8942/3525/files/amenorrhea_adalah.pdf
- https://cdn.shopify.com/s/files/1/0432/9878/3382/files/88041382052.pdf
- https://cdn.shopify.com/s/files/1/0428/8937/9993/files/94828422970.pdf
- https://cdn.shopify.com/s/files/1/0431/6410/6909/files/88078320765.pdf
- https://cdn.shopify.com/s/files/1/0431/4300/4322/files/xuwuxijaduf.pdf
- https://cdn.shopify.com/s/files/1/0429/0913/9110/files/xuboranoretoxonozof.pdf
- https://cdn.shopify.com/s/files/1/0432/9121/3988/files/jizaxapezivotemodaxe.pdf
- https://cdn.shopify.com/s/files/1/0427/4018/7303/files/98255103374.pdf
- https://cdn.shopify.com/s/files/1/0433/8565/1358/files/vosozupozog.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_off00005d43.bin7a73a27d9af9dfa7b9d0828c948e7b719b88b5d7684e7ce39db54fe549f751d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D43 | 5264 bytes |
font_01_sfnt_off00006f18.binec56936c581828a62d8a4edd80ff045c1f5fe3da2cd4f1774ee60ca04260ab9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F18 | 13612 bytes |
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